Sodium tripolyphosphate STPP

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Detailed Product Description 1 Product Name: Sodium tripolyphosphate 2 English name:STPP 3 Alias: sodium nitrate 4 Molecular formula: Na5P3010 5 Molecular Weight: 367.86 (according to) 6 Features: White granular or powder, showing the density 0.35-0.90g/cm3, melting point 622 . Soluble in water, alkaline aqueous solution, 1% aqueous solution PH 9.7. In the water gradually hydrolyzed phosphite, has a good capacity of complexing metal ions. With calcium, magnesium, iron and other metal ion complexation, generating soluble complexes. Be able to soften hard water. As an inorganic surface active agent, has a certain organic surface-active agent in nature. 7 Uses: Used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc. As an oil contamination resistance agent in paper production. Product Quality: meet GB9983-2004 standard. 8 Technical Requirements: Index Name Indicators Excellent product First-class product Qualified Sodiumtripolyphosphate (Na5P3O10)% ≥ 96 90 85 Phosphorus pentoxide (P2O5)% ≥ 57 56.5 55.0 Water Insoluble% ≤ 0.10 0.10 0.15 Iron (Fe)% ≤ 0.007 0.015 0.30 PH value (1% solution)% 9.2-10.0 Whiteness% ≥ 90 80 70 Particle size 1.00mm sieve residue test sieve% ≤ 5.0

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Shenyang Yishengrong Chemicals Co., Ltd

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