Specification :

Specifications
STPPPurity: 94% CAS: 7758-29-4Used in soap synergistic agent, water softener.....Excellent quality and competitive price!
STPP
1] Certificate: ISO9001: 2000 approved SGS
2] Excellent quality and competitive price.
3] Detergent Raw Material.
4] Washing Powder Material.

Properties:
White powder, surface density: 0.35-0.9g/ cm3, melting point: 622 free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.
Application:
Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for leather making, auxiliary for dyeing; As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.

Specification:
ITEM SPECIFICATION
CONTENT 94% MIN.
P2O5 CONTENT 57% MIN.
WHITENESS 88% MIN.
INSOLUBLE MATTER 0.1% MAX.
Fe 70PPM MAX.
SIZE: RESIDUE ON 1.00 TEST SIEVE 5.0% MAX.
LOSS ON IGNITION ( 500) 1% MAX.
PH VALUE ( 1% SOLUTION) 9.2-10.0
BULK DENSITY ( g/ cm3) 0.65-0.99
PHASE 10-30%