Sodium Tripolyphosphate (STPP), the sodium salt of polyphosphate penta-anion, also known as pentasodium tripolyphosphate or sodium triphosphate is an inorgaic compound with formula Na5P3O10.It is the sodium salt of the poly phosphate penta-an, it is thr conjugate base of triphosphoric acid.
Specifications of STPP Glaze
Chemical Analysis Percentage (%) Physical Properties Test Result
P2O5 56.85 Physical State Solid
Na2O 40.64 Color White
SiO2 0.07 Odor Odorless
Al2O3 0.07 Whiteness Above 90
Fe2O3 0.01 PH of 1.0% 12.50
Loss (1025) 0.84
How is STPP Used in Ceramic Sector?
Sodium Tri Polyphosphate (STPP) is generally employed as a dispersing agent in ceramic processing and could be a low-cost plasticizer for ceramic based materials. The effect was inverted in the case of higher STPP concentrations, for which faster setting of ceramic product can be observed.
What are the Applications of STPP in others?
In household cleaning products, sodium tri polyphosphate is used most widely as builder. In conjunction with surfactants, it allows detergents to perform efficiently in all washing conditions. It is widely used in laundry detergents, dishwasher detergents, industrial and institutional detergents
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