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Product Name Sodium Tripolyphosphate (STPP) Tech Grade H. S. Code *******0 CAS No. ********4 Molecular Formula Na5P3O*0 Molecular wt **7.*6 Production standard GB/T******8 Index Request Na5P3O*0 content (purity) % ≥ *4.*0 P2O5 content % ≥ *6 Fe Content ≤ *0 ppm Water Insoluble % ≤ 0.*0 Bulk Density g/ml 0.6 ~0.9 Phase I content % 5~*0 Whiteness % *5 min pH value (1% water solution) 9.2 ~*0.0 Loss on drying (**0C ) % Residue on % *8 mesh *0 mesh *0 mesh **0 mesh Hydration speed (R. O. H) 1 min. 5 min. Volatile matter (**5 C) % Appearance white powder Packing *5/***0/***0kg bags, PP bag with PE liner, *0~*5mt/*0FCL
