Tech grade STPP Sodium Tripolyphosphate white powder

STPP Sodium Tripolyphosphate 1. synergist for soap; water softener 2. emulsification to lubricants and fat 3. tech grade

Sodium Tripolyphosphate (STPP)

Molecular formula: Na5P3O10;Molecular weight: 367.86CAS No.: 7758-29-4;

 

Synonyms: Pentasodium Triphosphate; Pentasodium Tripolyphosphate; Sodium Phosphate Tripoly; Sodium Triphosphate; Sodium Tripolyphosphate; Stpp; Triphosphoric Acid, Pentasodium Salt 

 

 

Technical Specifications: 

Phase I

No	Specification	Tech grade
1	Main content              %≥	94
2	P2O5                          %≥	57
3	Water insoluble         %≤	0.1
4	Iron, as Fe                 %≤	0.015
5	PH of 1% water solution	9.2-10.0
6	Low density	0.35-0.5g/cm3
	Medium density	0.51-0.65g/cm3
	High density	0.66-0.9 g/cm3

 

Through 16 mesh sieve  95%

Through 35 mesh sieve  90%

Through 100 mesh sieve  40%

 

Application: 1) As one of the main auxiliaries for synthetic detergent, synergist for soap; water softener. 2) Tanning agent for leather making, auxiliary for dyeing; 3) As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; 4) For ceramics manufacture.

 

Packaging: 25Kg water-proof PP woven bag or according to customized packing;

 

Tech grade STPP Sodium Tripolyphosphate white powder