Specification :

Sodium Tripolyphosphate STPP Industrial Grade Specification: Na5P3O10: 94.0% Min P2 O 5: 57.0% Min Water Insoluble Matter: 15% Max Iron( Fe) : 0.015% Max PH value ( 1% water solution) : 9.2-10.0 Whiteness: 92% Min Ignition loss: 1.0 density ( g/ cm3) : 0.35-0.9 Phase I: 10-30 Packing: 25kg/ bag, 20MT/ 20’ FCL I am Jessica from Hebei liancheng chemical Co., Ltd , Any inquiry please write to ilovechemical( at) 163( dot) com , or phone me 86-13292813730