STPP Sodium Tripolyphosphate

STPP Sodium Tripolyphosphate 1.Purity:94% 1.Industrial grade and food grade 2.white odorless powder 3.50 years factory

STPP Sodium Tripolyphosphate

1.Specification

Specification	Industrial grade			Food grade
Main content, %,≥	96.0	94.0	90.0	96.0
P2O5                      %≥	57.0	57.0	56.5	57.0
Water insoluble         %≤	0.1	0.1	0.15	0.05
Iron, as Fe                 %≤	0.007	0.015	0.025	0.005
pH of 1% water solution	9.2~10.0	9.2~10.0	9.2~10.0	9.5~10.0
Heavy metal, as Pb    %≤	-	-	-	0.001
Arsenic, as As            %≤	-	-	-	0.0003
Fluoride ,as F             %≤	-	-	-	0.003
Chloride, as Cl           %≤	-	-	-	0.025

2. Application: 1). Technical grade: Used in such industries as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for printing, dyeing, and boiler, as diffusant in papermaking; Retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent; 2). Food grade: Mainly used as additive agent, pH adjusting agent, fermenting agent, and nourishment, etc. 3. Package:

25kg in plastic woven bag with polythene liner; Stored in ventilated and dry place.

                                          

              

STPP Sodium Tripolyphosphate