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.
YL-SNF-C(Na2SO4 less than 18%) Sodium Naphthalene Sulfonate Formaldehyde This product, named -naphthalene sulfonate formaldehyde condensate, is non-air entraining superplasticizer. It has good dispersing performance to the cement particles. Compared with traditional plasticizer, it has higher water reducing rate, and good for preparing mass concrete, fresh concrete required for early strength and high strength, and precast concrete and parts. It also has good adaptability to commonly used cement, and widely used in roads, bridges, dams, power engineering, civil construction, steam and natural curing precast parts and other projects. Advantage: * Higher water reducing rate. By the recommended dosage, the water reducingrate can reach 15% -20%. * Improve the workability of concrete, such as compression, long-term strength, flowability, etc., and enhance the reinforcement of steel and concrete. * Reduce costs. In the case of maintaining the same workability and strength, cement amountcan be reduced. * Wide adaptability, cost-effective. Good adaptability to all kinds of cement, such as Portland cement, slag cement, volcanic ash cement, etc. * Be mother material to formulate other admixtures.(like early strength, set retarder, pumping agent, antifreezing agent).
YL-PL-WR Polycarboxylate Superplasticizer (Water reducing type, 40-50% solid content) * High water reduction, low dosage. The water reducing rate can reach 20%-40% with recommended dosage. * Early and high strength. The early strengthand 28 day strength have been obviously improved. * Low slump loss: complywith the pumping agent standard, slump loss would besignificantly reduced. * High durability: This product can effectively reduce the W/C ratio, improve durability. * It can be used as a mother liquor to produce other functional admixture, such as early strengthtype, retarder, pumpingconcrete admixture, antifreezer, etc.; * Environmentalfriendly products: the production does not pollute the environment; * Non-corrosionon steelbar.
Polycarboxylate superplasticizer / polycarboxylic copolymer [product description] High range water reducing agent, superplasticizer, early strength agent, dispersant, concrete admixtures
Naphthalene Sulfonate Formaldehyde Condensate (SNF), also known as Poly Naphthalene Sulfonate (PNS) and Formaldehyde Sulfonate Condensate (FDN), is a highly effective water reducer and superplasticizer commonly used in the construction industry to improve the workability and strength of concrete.
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
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.
Supplier: Concrete admixtures, textile chemicals, fertilizer, ceramic binders, coal water slurry additives, polycarboxylate, sodium naphthalene sulfonate formaldehyde, sodium gluconate, sodium & calcium lignosulfonate
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.