main raw materials: modified corn starch, foaming agent,white glue Specialty manufacturer CHINA, ... Water-soluble Well Compatibility Biodegrade fastPurpose:gypsum board foam(building materials,chemicals,plastics,and other industries).Packaging:125kg/200kg plastic barrels ... 2500---7000 centipoisesPH value:4---9Bond strength: ≥90kg/cm2 raw materials of gypsum boards