... Well Compatibility Biodegrade fastPurpose:gypsum board foam(building materials,chemicals,plastics,and other industries).Packaging:125kg/200kg plastic barrels packaging ... the corn starch as raw material, the product is made with multi-chemicals and by sterilization, disinfection and physicochemical treatment. Its ... ---7000 centipoisesPH value:4---9Bond strength: ≥90kg/cm2 raw materials of gypsum boards