Our products- based superplasticizers can be divided into high-concentration products (Na2SO4 content 10%) according to the Na2SO4 content in the product content. Performance 1. When the strength and slump of the crucible are basically the same, the amount of cement can be reduced by 10-25%. 2. When the water-cement ratio is constant, the initial slump of concrete increases by more than 10cm, and the water reduction rate can reach 15-25%. 3. It has a significant early strength and strengthening effect on cockroaches, and the strength increases by 20-60%. 4. Improve the working capacity of concrete and comprehensively improve the physical and mechanical properties of concrete. 5. It has good adaptability to various cements and is compatible with other types of concrete admixtures. 6. Especially suitable for the following concrete projects: fluid concrete, plasticized concrete, steam concrete, impermeable concrete, waterproof concrete, natural curing precast concrete, steel and prestressed reinforced concrete, high-strength ultra-high-strength concrete. 7. The slump of concrete has a great loss over time, and the slump loss in half an hour is close to 40%.
Sodium Naphthalene Formaldehyde (SNF-Superplasticizer for Concrete) CAS Code: 36290-04-7 SNF a high range water reducer, commonly referred to as a super plasticizer, also named Naphthalene Sulphonate Formaldehyde Condensate (short name: SNF, PNS, NSF, etcâ?¦) SNF is made from naphthalene, sulfuric acid, formaldehyde and liquid alkali, through sulfonation, hydrolyzation, condensation and neutralization reaction and then drying to powder. SNF-A5% contains very small chloride. Thus, it meets the requirements of chemical admixture specifications for concrete: ASTM Designation C 494 as a Type F admixture, GB8076-2008 and GB50119-2003. Usage SNF produces concrete with extremely workable characteristics referred to as high slump. SNF also allows concrete to be produced with very low water/cement ratios at low or normal slumps. SNF is ideal for use in pre stress, precast, bridge deck or any concrete where it is desired to keep the water/cement ratio to a minimum and still achieve the degree of workability necessary to provide easy placement and consolidation. SNF will also fluidize concrete, making it ideal for tremie concreting or other applications where high slumps are desired. SNF is compatible with Portland Cement, Normal Portland cement, Portland Slag Cement, Fly-ash Cement, Portland Pozzolanic Cement, etc.
Poly naphthalene sulfonate formaldehyde is high range water-reducing and an anion surface active agent based on polyalkyaryl- sulphonate. Technical spefication: Solid content 92% min Moisture 8.0 % max Fineness 5.0% max Ph value 7 - 9 Chlorides content 2.0% max Surface tension 68-72 mn/m Cement flowing rate 230mm min Concrete reducing water rate 18% min Sodium sulfate content 18% max (5%max is also available) Poly naphthalene sulfonate formaldehyde produces concrete with extremely workable characteristics referred to as high slump. Pns also allows concrete to be produced with very low water/cement ratios at low or normal slumps.Poly naphthalene sulfonate formaldehyde is ideal for use in prestress, precast, bridge deck or any concrete where it is desired to keep the water/cement ratio to a minimum and still achieve the degree of workability necessary to provide easy placement and consolidation. Addition ratespoly naphthalene sulfonate formaldehyde can be added directly or added in after melt. It can be added during mixing and after-mixing. The afterward approach can achieve better result. The suggested addition rate is 0.75%.Poly naphthalene sulfonate formaldehyde directionprepare solutions as required.Direct use of powdery agent is allowed. Alternatively the addition of the agent is followed by water moisturization (water-cement ratio: 60%).The agent can be combined with other externally applied agents if pilot development or laboratory experiment succeeds. Packed in plastic film bag wrapped with plastic woven sack with a net weight of 25kg each.
1,2,3-bezotriazol 1,2,4-tri Chloro Benzene 1,3,4-xylidine-5-sulphonic Acid 1,4-sulphophenyl-3-methyl-5-pyrazolone (Spmp) 2-aminophenol-4-sulphonic Acid(Oapsa) 2-chloro-4-nitro Aniline[ortho Chloro Para Nitro Aniline](Ocpna) 2-nitro-4-amino Diphenylene-4-sulphonic Acid(2-nadpsa) 2,4-di Nitro Aniline 2-4-di Nitro Chloro Benzene 2,4,5-tri Chloro Aniline 2,4,5-tri Chloro Nitro Benzene 2,5-dichloro Aniline(Scarlet Gg Base) 3-di Ethyl Amino Phenol (Demap) 3,3-di Chloro Benzedine Di Hydrochloride 3,3-di Chloro Benzene 3,4-di Chloro Aniline 3,4-di Chloro Nitro Benzene(3,4-dcnb) 4-chloro-2-amino Phenol[2-amino-4-chloro Phenol](4 Cap) 4-nitro-2-amino Phenol(4 Nap) 4-nitro-4-amino Diphemylene-2-sulphonic Acid(4-nadpsa) 4-sulpho Formazone Base 4,4 Diamino Sulphanilide 4,4 Diamino Benzsulphanilide (Dasa) 4,4-di Amino Benzidine-2,2-di Sulphonic Acid 4,4-di Amino Diphenyl-2,2-di Sulphonic Acid 4,4-di Amino Stilbene, 2:2 Di Sulphonic Acid (Dasda) 5-nitro-2-amino Phenol(5 Nap) 6-acetyl Amino-2-amino Phenol-4-sulphonic Acid 6-chloro Metanilic Acid 6-nitro 1-diazo 2-naphthol 4-sulphonic Acid 6-nitro-2-amino Phenol(6 Nap) Alpha Naphthylamine Amino G-acid Aniline-2,4-di Sulphonic Acid Anthranilic Acid Benzanthrone Benzyl Benzoate Chloranil Di Anisidine Base Di Mehtyl Sulphate F.c.acid(4,4-diamino Di Phenyl Amine 2-sulphonic Acid) Gamma Acid G-salt(2-hydroxy Naphthalene 6-8 Disulphonic Acid) H-acid(1-amino-8-napthol-3-6-di Sulphonic Acid) K Acid(Schaeffer's Acid )(2-hydroxy Napthalene-6-sulphonic Acid) Meta Phenylene Di Amine Di Sulphonic Acid (Mpddsa) Meta Phenylene Di Amine-4-sulphonic Acid(Mpdsa) Meta Ureido Aniline(Mua) Metanilic Acid N-methyl J-acid N-phenyl J-acid Ortho Amino Phenol 4 Sulfonamide (O.a.p.s.a Amide) Ortho Anisidine Para Sulphonic Acid (Oapsa) Ortho Chloro Para Nitro Aniline(Ocpna) Ortho Di Chloro Benzene[1,2-di Chloro Benzene](Odcb) Ortho Dianisidine Base Ortho Nitro Chloro Benzene (Oncb) Ortho Nitro Chlorobenzene 4-sulphonic Acid(Oncbsa) Ortho Tertiary Butyl Cyclo Hexyl Acetate Ortho Toluidine Para Amino Acetanilide-3-sulphonic Acid(Paa 3sa) Para Amino Azo Benzene 4 - Sulfonic Acid (Paab 4sa) Para Amino Azobenzene-3-4-di Sulphonic Acid(Oncbsa) Para Amino Azobenzene-4-sulphonic Acid Para Anisidine Ortho Sulphonic Acid Para Anisidine-3-sulphonic Acid Para Chloro Ortho Nitro Aniline[4 Chloro 2 Nitro Aniline](Pcona) Para Di Chloro Benzene(Pdcb) Para Nitro Aniline 2-sulphonic Acid Para Nitro Aniline(Pna) Para Nitro Chloro Benzene Ortho Sulfonic Acid(Pncbosa) Para Nitro Chloro Benzene(Pncb) Para Phenylene Diamine Di Sulphonic Acid(Ppddsa) Phenyl Hydrazine Para Sulphonic Acid R Salt Resist Salt Sodium Naphthionate Sodium Sulphanilate Sulphamic Acid Sulphanilic Acid Sulpho Tobias Acid Tertiary Butyl Catechol[1,2 Dihydroxy-4,tertiary Butyl Benzene] Vinyl Sulphone Ester Acetanilide Base Vinyl Sulphone Ester Ortho Anisidine Base Vinyl Sulphone Ester Para Base Ester
It is a high range water reducer, high concentration naphthalene-based superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate SNF, PNS and FDN etc. Na2SO4 has 3 grades:5% 10% 18% for exporting markets,in domestic we also have 3% 23% Na2SO4 content FDN.It contains no chloride, non-corrosive to steel bars, non-poisonous, odorless, and non-flammable.
Sodium Naphthalene Formaldehyde (SNF-Superplasticizer for Concrete) CAS Code: 36290-04-7 SNF a high range water reducer, commonly referred to as a super plasticizer, also named Naphthalene Sulphonate Formaldehyde Condensate (short name: SNF, PNS, NSF, etcâ?¦) SNF is made from naphthalene, sulfuric acid, formaldehyde and liquid alkali, through sulfonation, hydrolyzation, condensation and neutralization reaction and then drying to powder. SNF-A5% contains very small chloride. Thus, it meets the requirements of chemical admixture specifications for concrete: ASTM Designation C 494 as a Type F admixture, GB8076-2008 and GB50119-2003. Usage SNF produces concrete with extremely workable characteristics referred to as high slump. SNF also allows concrete to be produced with very low water/cement ratios at low or normal slumps. SNF is ideal for use in pre stress, precast, bridge deck or any concrete where it is desired to keep the water/cement ratio to a minimum and still achieve the degree of workability necessary to provide easy placement and consolidation. SNF will also fluidize concrete, making it ideal for tremie concreting or other applications where high slumps are desired. SNF is compatible with Portland Cement, Normal Portland cement, Portland Slag Cement, Fly-ash Cement, Portland Pozzolanic Cement, etc.
Sodium lignosulfonate is used as a defoamer in papermaking in the food industry and as an adhesive in articles that come in contact with food. It has antiseptic properties and is used as an ingredient in animal feed. It is also used in construction, ceramics, mineral powder, chemical industry, textile industry, metallurgical industry, petroleum industry, flame retardant materials, rubber vulcanization, organic polymerization. It is a pepsin inhibitor. sodium lignosulfonate uses in construction The applications of lignin and its modified products are mainly in the following aspects: (1) Cement and concrete water reducer: Lignosulfonate is currently the most widely used water reducer. In 1935, successfully developed a water-reducing agent with lignosulfonate as the main component. Since then, mankind has begun the research on lignosulfonate water-reducing agent. The use of lignosulfonate as a water reducing agent for cement and concrete can not only greatly improve its fluidity and plasticity, but also greatly reduce harmful pores and significantly enhance compressive strength. (2) Dispersant, flocculant and corrosion and scale inhibitor: Lignosulfonate is an anionic surfactant with excellent performance, which can be used as dispersant, flocculant, etc. (3) Oilfield chemicals: Lignosulfonates have a special molecular structure and are widely used in oilfield chemicals. They are often used as tertiary oil recovery surfactants, drilling fluid treatment agents, and water shutoff agents. (4) Synthetic resin: Since the 1990s, lignin has often been used as a basic renewable material for synthetic polymer materials, resins and adhesives. (5) Polymer materials: Lignin and its derivatives can be blended with polyvinyl chloride (PVC), polyethylene (PE), polyvinyl alcohol (PVA) and other olefin polymer materials to improve the stability, strength and Anti-photolysis and other properties. Liu Chunfang and others added lignosulfonate to rubber as a rubber reinforcing agent, which can improve the mechanical properties of rubber. Li Haijiang and others compounded hydrolyzed lignin with natural rubber to form an interpenetrating network structure, and then prepared a lignin-natural rubber compound by co-precipitation. (6) Agricultural additives: Sodium lignosulfonate can be used not only as a pesticide dispersant, but also as a wetting agent, complexing agent and fertilizer enhancer, and is widely used in all aspects of agriculture.
Description Naphthalene Sulfonate (FDN) concrete admixture is a high range water reducer, high concentrate naphthalene-based superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS, etc.. Naphthalene Sulfonate (FDN) concrete admixture is made of naphthalene, sulfonic acid, formalin and alkali through sulphuration, hydrolyzation, condensation and neutralization reaction. Naphthalene Sulfonate (FDN) concrete admixture contains no chloride. It conforms to the requirements of chemical admixture specifications for concrete: ASTM C 494, Type F; ASTM C 1017. Application 1.Naphthalene Sulfonate (FDN) concrete admixture is suitable to make autotrophic concrete, steam curing concrete, steel concrete and prestress concrete, all of which are made mainly of portland cement. When concrete added this superplasticizer needs to be steam cured, it requires considerable structural strength. The curing requirements should be pre-tested. 2.Naphthalene Sulfonate (FDN) concrete admixture is applicable in areas with the daily lowest temperature of and for making concrete which requires high fluidity, high strength or steam curing. 3.Naphthalene Sulfonate (FDN) concrete admixture can be used to make C80 concrete with slump loss between 50mm and 70mm, or C60 concrete with that between 180mm and 220mm. 4. Naphthalene Sulfonate (FDN) concrete admixture could be used as a raw material together with other components to make other kinds of admixtures, such as accelerator, retarder, anti-freezing agent and pumping aid to satisfy requirements from different construction projects, techniques, materials and environmental temperatures. 5. Naphthalene Sulfonate (FDN) concrete admixture will also fluidize concrete, making it ideal for tremie concreting or other applications where high slumps are desired. 6. Naphthalene Sulfonate (FDN) concrete admixture is compatible with Portland Cement, Portland Slag Cement, Fly-ash Cement, Portland Pozzolanic Cement, etc. Features and Benefits 1. High water-reducing rate: Naphthalene Sulfonate (FDN) concrete admixture has a water reducing rate of more than 25%. It effectively increases concrete fluidity and reduces water bleeding and cement segregation. Therefore, it improves concrete placement and makes concrete easy to use and compacting. 2. Strengthening ability: Given the same amount of cement and slump requirement, this product can increase the concrete strength by 50-110%, 40-90%, 40-70% and 20-40% on day 1, 3, 7, and 28 respectively. 3. Good compatibility: It can be used with various types of cement. It is compatible with other admixtures. It may be used with expanding agents, air entraining agents as well as fly ash for supplementary and catalytic purpose. 4. Appropriate setting time: It doesn't influence the initial and final setting time. The difference in setting time generally is less than 1 hour. 5. Low sodium sulfate content: The aqueous solution has no crystallization in winter, which can avoid pipeline congestions. 6. Safety: It's non-toxic, non-irritating and non-emissive. It has no corrosion to steel bars. It's also hard to burn and explode. 7. High durability: It can modify the pore structure of concrete and improve impermeability, anti-freezing and thawing ability and carbonization. 8. Easy to use: It can be added directly or after being dissolved in water. It can be used for different working conditions and concrete mixers. Uses and Dosages 1. Naphthalene Sulfonate (FDN) concrete admixture can be added directly or added in after being dissolved. It can be added during mixing and after-mixing. 2. The afterward approach can achieve better result. Naphthalene Sulfonate (FDN) concrete admixture is addition rate ranges from 0.4% to 1.0% of the weight of cementitious material in 1m3 of concrete, while the suggested rate is 0.5%. 3. If Naphthalene Sulfonate (FDN) concrete admixture is used in powder form, add it directly into cement, but not onto wet sand and gravels. If solution is used, please fully stir and dissolve it completely. Package, Storage & Handling 1. Naphthalene Sulfonate (FDN) concrete admixture for powder: Woven fabric bag with plastic liner. Net weight: 25kg +/- 0.13 kg. 2. When being handled or stored, special care should be taken to broken package, humidity and moisture to avoid consolidating. If it's consolidated, please dry, shatter, then sift it through 0.63mm apertures or make solution before using. 3. Naphthalene Sulfonate (FDN) concrete admixture should be stored in a dedicated warehouse that is well-ventilated and dry. It's shelter life is 12months. 4. Since Naphthalene Sulfonate (FDN) concrete admixture is packed in woven plastic bags, though the product is nonflammable, cautions should be taken to avoid fire. 25kg/bag, 16 tons loaded in a 20ft.
Sodium naphthalene formaldehyde is high range water-reducing and an anion surface active agent based on polyalkyaryl- sulphonate. Technical spefication: Solid content 92% min Moisture 8.0 % max Fineness 5.0% max Ph value 7 - 9 Chlorides content 2.0% max Surface tension 68-72 mn/m Cement flowing rate 230mm min Concrete reducing water rate 18% min Sodium sulfate content 18% max (5%max is also available) Sodium naphthalene formaldehyde produces concrete with extremely workable characteristics referred to as high slump. Pns also allows concrete to be produced with very low water/cement ratios at low or normal slumps.Sodium naphthalene formaldehyde is ideal for use in prestress, precast, bridge deck or any concrete where it is desired to keep the water/cement ratio to a minimum and still achieve the degree of workability necessary to provide easy placement and consolidation. Addition ratessodium naphthalene formaldehyde can be added directly or added in after melt. It can be added during mixing and after-mixing. The afterward approach can achieve better result. The suggested addition rate is 0.75%.Sodium naphthalene formaldehyde directionprepare solutions as required.Direct use of powdery agent is allowed. Alternatively the addition of the agent is followed by water moisturization (water-cement ratio: 60%).The agent can be combined with other externally applied agents if pilot development or laboratory experiment succeeds. Packed in plastic film bag wrapped with plastic woven sack with a net weight of 25kg each.
NSF full name is Naphthalene Sulfonate formaldehyde condensate. Its high purity makes cement paticles with high dispersancy, low foaming, high range water reducing and obvious strengthening so that we can get advantages of accelerating project mould turnover and construction speed, and also saving cement, improving cement mobility and workability. NSF is a high range concrete admixture of concrete cast-in-place, prefabricating, pump and curing. NSF has a good adaptability to various cements and NSF is no erodent to reinforcing bar and nonpoisonous and pollution-free. NSF has been applied to the highway, bridge, tunnel, water conservancy hydroelectric project, port, quay, skyscraper, power engineering, industrial civil building, prestressing force component and high range concrete etc. 25kg/bag.
Specifications C A S. No. 9084-6-4 Description of goods Brownish powder pH - 1% solution 7.50 Miscibility Miscible in water Bulk density 0.752 Odor characteristic
Description YL-NNO is light brown yellow powder, an anion surface active agent. Easily soluble in water, acid, alkali and hard water. It has good dispersing property and affinity with protein and polyamide. Usage Mainly used for vat dye dyeing, reactive dye dyeing and acid dye dyeing. It can work as dispersant for acid staining pad and pigment pad dyeing; auxiliary for reducing dye powder and slurry. It can also be used in leveling agent in dyeing industry Advantages 1). As dispersant NNO;in disperse dye, vat dye, reactive dye, acid dye and leather dye. It has good grinding effect, hydrotropy and dispersibility. 2). As dispersant in textile printing and dyeing industry: pigment pad dyeing of disperse dye;vat acid dyeing of disperse dye; dye for silk and feather mixture; soluble vat dye dyeing; Etc. also can be used as dispersant for disperse dye and lake making; filler for commercial dye etc. 3). As dispersant in wettable pesticide and herbicide, the dispersibility and solubility of pesticide can be improved. 4). As dispersant in electroplating industry, so that the cladding film can be equal and have a better brightness. 5). As auxiliary tanning agent in leather industry, used together with tanning agent (ratio 1:10) to avoid tanning agent stickwith leather. Can also help to disperse dye to get a better appearance in color. 6). As dispersant for paper industry. After adding NNO into wood pulp to avoid the stain from the condensation ofasphaltum, resin and other material 0.2%-0.5% of the wood pulp weight as dosage is preferable. Can work as precipitator for animal size, 20%-30% of the size weight as dosage is preferable. 7). As dispersant in rubber industry. Can disperse sulfur, accelerant, anti-aging agent and some filler(like zinc oxide, barium sulphate, calcium carbonate etc). 2%-4% of the dry powdeweight as dosage is preferable. Can make NNO into 10% solution, then grind with others in ball grinder. 8). Also can be used in coating, painting, pigment, carbon black etc. 9). Can be used in color lake industry. Specification Item Specification Dispersing rate % 95%min Sodium sulfate content % 5 max pH value 7-9 Insolubles % 0.05% max Content of calcium and magnesium ion, ppm 2000 Package, Storage & Shelf Life For powder: Woven plastic bag with film liner. Net weight: 25kg +/- 0.2 kg. It should be stored in a dedicated warehouse that is well-ventilated and dry and keep away from moisture. Shelf Life: Minimum 12 months. After the expiration date, it can be used if testing results is qualified. For powder: Woven plastic bag with film liner. Net weight: 25kg +/- 0.2 kg
Sodium Naphthalene Sulphonate Formaldehyde is widely applicable for cements builing,especially for the following: fluid cement, plasticized cement, steamed cement, water-tight cement, water-proof cement, prefabricated cement, prestressed reinforced cement and high strength cement. But the adaptability to different kind of cement is different.
The raw material naphthalene superplasticizer (snf/fdn/pns) has strong dispersion effect on cement particles and good use effect of preparing super flowing concrete as well as cast-in-situ concrete and precast members with early strength and high strength requirements, can comprehensively improve various properties of the concrete, and is widely applied to highways, bridges, dams, harbors, tunnels, electric power, water conservancy as well as industrial and civil architecture, steam-cured and naturally-cured precast members and so on.
Product Name:Naphthalene based superplasticizer/Sodium Naphthalene sulfonate/sodium naphthalene sulfonate formaldehyde condensation/sulfonated naphthalene formaldehyde/sodium naphthalene sulfuric acid formaldehyde CAS No.: 9084-06-4 HS No.:382440100 Chemical Formula:(C11H7O4SNa)n Payment:T/T Delivery:Within 15 days after payment. Raw materials:crude naphthalene,concentrated sulfuric acid,formaldehyde,liquid alkali Specification: Appearance yellow powderyellow powder yellow powder Solid content 92% min 92% min 92% min Sodium sulfate content 5% max 10% max 18% max Chloride content 0.3% max0.4% max 0.5% max PH 7~97~9 7~9 Fluidity of cement paste 250 mm min 240 mm min 230 mm min Package and Storage: Package:25 kg plastic bags with PP liner,Alternative package may be available upon request. Storage:Shelf-life time is 2 years if kept in cool,dried place.Test should be done after expiration.
Description YL-SNF-A is a high range water reducer, high concentration naphthalene-based superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS and FDN etc. YL-SNF-A (Na2SO4 less 5%) contains no chloride, non-corrosive to steel bars, non-poisonous, odorless, and non-flammable. Thus, it meets the requirements of chemical admixture specifications for concrete, complying with ASTM C 494, Type F. ASTM C 1017, GB8076-2008 and GB50119-2003 etc. Uses 1.YL-SNF-A possesses the features of no retarding, no air-introducing, superplastic high water-reducing and strength enhancing. It has no chloride, low alkali content, low sulphonate, and high purity. It can be widely used in different concretes with less dosage and easy to use. 2.YL-SNF-A can be applied to make flowing, strong or steam-curing concrete. The minimum working temperature can be as low as zero centigrade degree. In steam curing, concrete with superplasticizer has to be strong enough before heating. The steam curing specification has to be pre-tested. It is particularly used as base material for compound admixtures. 3.It can prevent from the alkali-aggregate reaction because of the biggish alkali reactivity of aggregate or the alkali-aggregate reaction in the moist environment. Advantage 1.High water-reducing rate: YL-SNF-A can reduce water 20-30%. It has features of superplasticizer, effectively increases concrete fluidity and reduces water penetration and segregation and improves the encapsulation force of the concrete with reinforcing steel bar. 2.Strengthening: Given the same amount of cement and slump requirement, this product with the dosage 0.5-1.2% can increase the concrete early strength and reinforced effect by 50-100%, 40-70%, 25-60% and 20-60% on day 1, 3, 7, and 28 respectively. 3.High applicability: It can be used with different variety of cement. It is compatible with other admixtures. 4.Low sodium Sulfate content: The aqueous solution has no crystals in winter, which can avoid pipeline congestions when JK-01 NP applied. It is suitable for automatic working. 5.Effective durability: It can modify the structure of concrete and increase the property of anti-seepage, anti-freezing, and carbonization. 6.Easy to use: It can be added directly or used after dissolved in water. It can be used for different working condition and concrete mixer. Specifications Items Criteria Actual results(C¡¨¢0.75%) Appearance -- Brown powder Solid Content % 92 min 92.65 Moisture % 8.0 max 7.35 Fineness (0.315mm remains) % 15.0 max 9.2 PH value 7 - 9 8.5 Sodium Sulfate Content % 5.0 max 3.8 Chloride Content % 1.0 max 0.11 Surface Tension 68-72 Mn/m 71 Cement Flowing Rate 240mm 265mm Water Reducing Rate 20% min 22.3% Steel-bar Corrosion None None Dosage 0.5-1.2% by weight of cement. Exact dosage rates depend on the type of effect sought, quality of cement and aggregates, water/cement ratio and ambient temperature. Therefore, in many cases it is advisable to carry out trial mixes. YL-SNF-A can be added directly or added in after dissolved in water. It can be added during mixing and after-mixing (better). The after-mixing approach can achieve better result. Test Data Sheet Items Dosage rate (Cx%) Water (g) Slump (mm) Water reducing rate (%) Compressive strength (MPa) /Compressive strength rate (%) 1 day 3 days 7 days 28 days Reference concrete 0 2555 82 0 4.34/100 13.70/100 20.19/100 24.06/100 YL-SNF-A 0.75 1986 89 22.3 7.63/173.3 23.85/173.4 30.84/150.7 33.72/137.2 Package, Storage & Shelf Life For powder: Woven plastic bag with film liner. Net weight: 25kg +/- 0.2 kg. It should be stored in a dedicated warehouse that is well-ventilated and dry and keep away from moisture. Shelf Life: Minimum 12 months. After the expiration date, it can be used if testing results is qualified. For powder: Woven plastic bag with film liner. Net weight: 25kg +/- 0.2 kg.
Description Naphthalene Sulfonate (UNF-5) concrete admixture, a high range water reducer with no air entraining, is commonly referred to as a superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS, etc.. Naphthalene Sulfonate (UNF-5) concrete admixture is made of naphthalene, sulfonic acid, formaldehyde and alkali through sulphuration, hydrolyzation, condensation and neutralization reaction. Naphthalene Sulfonate (UNF-5) concrete admixture contains no chloride. It complies with chemical admixture specifications for concrete: ASTM C 494, Type F; ASTM C 1017. Application 1.Naphthalene Sulfonate (UNF-5) concrete admixture is suitable to make autotrophic concrete, steam curing concrete, steel concrete and prestress concrete, all of which are made mainly of portland cement. When concrete added this superplasticizer needs to be steam cured, it requires considerable structural strength. The curing requirements should be pre-tested. 2.Naphthalene Sulfonate (UNF-5) concrete admixture is applicable in areas with the daily lowest temperature of and for making concrete which requires high fluidity, high strength or steam curing. 3.Naphthalene Sulfonate (UNF-5) concrete admixture can be used to make C80 concrete with slump loss between 50mm and 70mm, or C60 concrete with that between 180mm and 220mm. 4.Naphthalene Sulfonate (UNF-5) concrete admixture could be used as a raw material together with other components to make other kinds of admixtures, such as accelerator, retarder, anti-freezing agent and pumping aid to satisfy requirements from different construction projects, techniques, materials and environmental temperatures. 5. Naphthalene Sulfonate (UNF-5) concrete admixture will also fluidize concrete, making it ideal for tremie concreting or other applications where high slumps are desired. 6. Naphthalene Sulfonate (UNF-5) concrete admixture is compatible with Portland Cement, Portland Slag Cement, Fly-ash Cement, Portland Pozzolanic Cement, etc. Features and Benefits 1. High water reducing rate: It has remarkable dispersion and water reducing effect. Its water reducing rate is over 20%. 2. High slump flowability and strength: It enhances the miscibility, fluidity and smoothness of concrete at a regular water/cement ratio and improves the bond stress between concrete and steel bars. 3. Saving cement: It may save cement by 12-25% without sacrificing slump retention and strength. 4. Early Strength and Strengthening Ability: It improves the compressive strength of concrete at same cement quantity and slump loss. 5. Great Compatibility: Naphthalene Sulfonate (UNF-5) concrete admixture can be added to a variety of concrete and improves the physical and mechanical functions of it. By reducing the heat of concrete hydration, it significantly enhances the impermeability of concrete. 6. Improved Compactness: Naphthalene Sulfonate (UNF-5) concrete admixture develops a better pore structure and makes the concrete more compact. It produces high durable concrete of which the anti-infiltrating index is beyond P18. Uses and Dosages 1. Prepare solutions as required. 2. Naphthalene Sulfonate (UNF-5) concrete admixture can be added directly or added in after being dissolved into water. It can be added during mixing and after mixing. The afterward approach can achieve better result. 3. The agent can be combined with other externally applied agents if compatibility test is satisfied. 4. When Naphthalene Sulfonate (UNF-5) concrete admixture is applied in the form of powder, normal dosage ranges from 0.5% to 1.0% of the weight of cementitious material in 1m3 of concrete, while the suggested rate is 0.75% considering technical and economic factors. Package, Storage & Handling 1. Naphthalene Sulfonate (UNF-5) concrete admixture for powder: Woven fabric bag with plastic liner. Net weight: 25kg +/- 0.13 kg. 2. When being handled or stored, special care should be taken to broken package, humidity and moisture to avoid consolidating. If it consolidated, please dry, shatter, then sift it through 0.63mm apertures or make solution before using. 3. Naphthalene Sulfonate (UNF-5) concrete admixture should be stored in a dedicated warehouse that is well-ventilated and dry. It remains effective in one year. 4. Since Naphthalene Sulfonate (UNF-5) concrete admixture is packed in woven plastic bags, though the product is nonflammable, cautions should be taken to avoid fire. 25kg/bag, 15 tons loaded in a 20ft container.
Sodium naphthalene sulphonate formaldehyde is widely applicable for cements builing, especially for the following: fluid cement, plasticized cement, steamed cement, water-tight cement, water-proof cement, prefabricated cement, prestressed reinforced cement and high strength cement. But the adaptability to different kind of cement is different.
Alias alkyl naphthalene sulfonate; dispersant; oil-displacing agent; naphthalene emulsifier; alkyl naphthalene sulfonate Performance: Appearance: cream-colored to pale yellow powder or yellow-brown liquid Property: good diffusibility, protective colloid property and penetrability Solubility: soluble in water with any hardness Acid-base property: pH value of 7-8 of 1% water solution Iconicity: anionic Affinity: good affinity to protein and polyamide fiber, no affinity to cotton and ramie fiber Compatibility: Compatible with anionic and non-ionic surfactant Stability: resistant to acid, alkali, hard water and salt The product is an isomer of C8-13 alkyl naphthalene sulfonate, and can be customized with different carbon chain. Applications: In dyeing and finishing industry: Used in pad dyeing with vat dye suspension, leuco acid dyeing with vat dyes, and vat dyeing with soluble vat dyes, also used in dyeing of silk/wool mixtures with undyed silk. It features good dispersibility and suspensibility, and can be used as detergent, dyeing assistant and dispersant. In oil industry: it can reduce the surface tension of the system, and be used as an oil-displacing agent in enhanced oil recovery process. Emulsifier for styrene-butadiene rubber: used as an emulsifier in the production of styrene-butadiene rubber to keep the emulsion stable. In rubber industry: used as emulsifier and softener in rubber production to keep the rubber emulsion stable In dyestuff industry: used as a diffusion agent in dyestuff production, as well as dispersant in dyestuff commercialization, dispersed filler and color lake to improve the retarding and leveling dyeing property of dyestuff. In leather industry: used as leather tanning agent and dyeing assistant. Coke quenching additive: it is the main component of coke quenching additive with good application effect. In textile auxiliary industry: used for preparation of leveling agent and detergent. In pesticide Industry: used as wettable powder and emulsifier, as well as dispersant for pesticide spraying on aeroplane with good price to performance ratio. Electroplating additive. Concrete additive: used as water reducer and air-entraining agent for commercial concrete with small dosage. Package: 200L in plastic drum and 25 kg in paper bag
Sodium lignin sulfonate, calcium lignosulphonate, sodium naphthalene sulfonate, sodium gluconate, ferro chrome lignosulphonate.
