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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.
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.
