Degree of polymerizationn��000Close to neutral, high decomposition temperature, high humidity resistance, water-soluble small, almost insoluble in organic solvents, flame-retardant effectItem Unit Specification P2O5 content %(w/w) ��2 N content %(w/w) ��4 PH Value 1) (25oC 10%Suspension) 6.5-7.5 Moisture %(w/w) ��.2 Thermal decomposition temperature oC ��75 Average size2) 關m 5-15 Density g/cm3 1.9 Packing Density g/cm3 0.5-0.7 Solubility(25oC water suspension) g/100mlH2O ��.5 Degree of polymerization - ��000