... -1.812Usage: Polyphosphate acid is not only a intermediate chemical products, but also an important chemical products, it is widely ... pharmacy, spices, leather, flame retardant, detergent, skin care products and cosmetics industries, such as being cyclizing agent in organic ... etc.Advantages: Compared with 85% phosphoric acid, P2O5 content of Polyphosphoric acid is higher, it can reduce the storage ...