"Chanhen"Brand Sodium Tripolyphosphate P2O5-Min57.0% STPP(Na5P3O10)-Min96% Iron Content(Fe)-Max0.007% Water-insoluble

Product Name:Industrial Grade Sodium Tripolyphosphate-STPP

CHEMICAL  FORMULA:Na5P3O10

CAS:7758-29-4

EXECUTIVE STANDARD:GB/T9983-2004

Item	Index
	Excellent product	First-class product	Qualified product
Whiteness Limit                                 ≥%	90	85	80
P2O5                                                  ≥%	57.0	56.5	55
Sodium Tripolyphosphate(Na5P3O10)≥%	96	90	85
Iron Content(Fe)                               ≤%	0.007	0.015	0.03
Water Insoluble                                ≤%	0.10	0.10	0.15
Particle Size(Beneath 1.00mm Sieve)≤%	95
pH(1% Solution)	9.2-10.0

STANDARD  APPLICATIONS:

Mainly used for synthetic detergent auxiliary , water-softener, soap synergist, leather tanning agent, effective powder of paint ,Senior soil,magnesium, calcium carbonate and so on .It is applied to prevent oil-paper.

PACKAGE&STORAGE:

Inner polyethylene bag and outer woven bag, net weight per bag: 25kg. Stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care to prevent the bag from being damaged, stored away from toxic substances.

Expiration Date: 540 days

Chanhen Brand STPP Sodium Tripolyphosphate Industrial Grade