Sodium Tyipolyphosphate STPP
Properties:
White microdot powder with luster, melting point at 622 o C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca 2+, Mg 2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity.
Uses:
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 effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; 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:
Guaranteed Technical Specifications:
Specifications---------------------Industrial Grade
AssayNa5P3O10 % -----------------------≥ 94.0
P2O5 % --------------------------------≥ 57.0
Sodium Pyrophosphate %-----------------≤ 3
Sodium Sulphate ---------------------≤ 2.0
Water Insoluble Matter %---------------≤ 0.1
Iron(Fe) %-----------------------------≤ 0.01
PH value(1%water solution)-------------9.2-10.0
Heavy Metal (as Pb) %-------------------≤ -
Arsenic (As) %--------------------------≤ -
Fluoride (F) %--------------------------≤ -
Particle Size
Power:
(ASTM)Through 200 mesh sieve %---------≥ 75
Through 100 mesh sieve %---------------≥ 90
Whiteness %----------------------------≥ 100.0
Density-------------------------------0.7-1.000 kg/lt
Phase I -------------------------------10-30
Packing:
25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag; 20-25mt/20 feet container
Welcome to contact us for more details
Regards,
Claudia
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