... three types, i.e high polymerization APP, medium polymerization APP and low polymerization APP. The higher polymerization is, the less ... be divided into two type, namely crystalline APP and amorphorous APP. Crystalline APP is a water insoluble and long-chain ... ,store at a cool,dry and well ventilated place.Specifications NO. SpecificationsWater Soluble APP1AppearanceWhite Powder or Lumps2P2O5% ≥46 ...