Industrial Grade Sodium Triphosphate Pentabasic 94%

Industrial Grade Sodium Triphosphate Pentabasic 94%

STPP is one of the most important ingredients in detergent powder formulation. Its chemical formula is Na5P3O5.
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In the fierce market competition, the sulphuric acid manufacturing plant, laundry powder equipment, High Density Detergent Powder suppliers produced by our company have won the favor of the majority of customers with reliable quality, good performance and excellent after-sales service. In the fierce market competition, through unremitting efforts, we have won high recognition and praise from customers all over the world. We treat each customer in accordance with the industry integrity, do not falsely quote product prices. We will continue to work hard and adhere to traditional values, maintain flexible service characteristics to achieve the requirements of enterprise goals. We will bring you better products and services! Innovation is the soul of an enterprise. As an innovative industrial company, we have been trying to meet the clients'unique needs by R&D and innovation. We warmly welcome customers from home and abroad to visit us.


STPP is one of the most important ingredients in detergent powder formulation. Its chemical formula is Na5P3O5. The STPP preparation process is composed of three steps: preparation of phosphoric acid from phosphate rocks, sodium pyrophosphate from neutralization of the acid, and finally the formation of STPP by condensation and polymerization of the sodium pyrophosphate.There are two processes now in common use for preparing STPP:

1.The wet process converges ingredients in the phosphate rocks into their corresponding sulfuric salt and phosphoric salt. The liquid phosphoric acid is neutralized in the next section into sodium pyrophosphate, then the phosphate to be condensed and polymerized into STPP.

2.Thermal processed phosphate rocks, coke, and silicate rocks into an electric furnace to obtain phosphorus. The phosphorus is burned, and phosphorus pentoxide is formed. The later is hydrated and polymerized into STPP.


STPP Production Plant


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