concrete water proofing admixture
- Category: Concrete Admixtures & Mortar Admixtures >>>
- Supplier: Shandong Boyuan Pharmaceutical & Chemical Co. Ltd.
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Product Overview
Description
Sodium Naphthalene Sulfonate
Model Item | SNF-A | SNF-B | SNF-C |
Testing Standard | GB8076-2008 | ||
Appearance | Yellow-Brown Powder | Yellow-Brown Powder | Yellow-Brown Powder |
Solid Content (%) | 92 Min | 92 Min | 92 Min |
PH Value | 7-9 | 7-9 | 7-9 |
Na2SO4 Content (%) | 5 Max | 10Max | 18 Max |
Chlorine Content (%) | 0.2 Max | 0.2 Max | 0.5 Max |
Fitness (%) | 0.315mm Residue 5 Max | 0.315mm Residue 5 Max | 0.315mm Residue 5 Max |
Fluidity (mm) | 252 Min | 238 Min | 228 Min |
Water Reducing Rate | 26% | 25% | 23% |
Product Description
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CAS No.: 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, etc…)
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.
Test Items | Standard Value | Results |
Appearance | Light Brown Powder | Qualified |
Smell | odorless | Qualified |
Solid Content | ≥92 | 92.04 |
PH Value(10%) | 7~9 | 8.03 |
Fluidity | ≥230 mm | 232 |
Surface Tension | 70±1×10-3N/M | 70.9 × 10-3 |
Chloride | ≤0.5 | 0.32 |
Na2SO4 Content (%) | ≤19 | 18 |
Conclusion | Fully Complies with Requirements of GB8076-2008 | |
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