Usage: polyphosphate acid is not only a intermediate chemical products, but also an important chemical products, it is widely used in paints, pharmacy, spices, leather, flame retardant, detergent, skin care products and cosmetics industries, such as being cyclizing agent in organic synthesis, acidulant and dehydrating agents etc. Moreover, polyphosphate acid can also be used as a substitute for orthophosphoric acid and analytical reagents etc. Items(%) Specifications 115% 105% 95% Color ¡¡ ¡¡ ¡Ü20 PPA ¡Ý115 ¡Ý105 ¡Ý95 P2O5 ¡Ý83.3 ¡Ý76.0 ¡Ý68.8 Chloride as Cl ¡¡ ¡¡ ¡Ü0.0005 SO4 ¡¡ ¡¡ ¡Ü0.005 Iron as Fe ¡¡ ¡¡ ¡Ü0.002 Arsenic as As ¡Ü0.005 ¡Ü0.005 ¡Ü0.0001 Heavy Metal as Pb ¡Ü0.001 ¡Ü0.001 ¡Ü0.0005 Fluoride as F ¡¡ ¡¡ ¡Ü0.001 in 330kg drum.