... , AS, ABS, PVC, SBS, polyester, polyether, polyurethane...... Aluminate coupling agentTypical Physical Properties: Color and Appearance:white to light yellow ... kg Applications: HW-988 may be used as a coupling agent in the basal resin, such as PE, PP ... dioxide,wollastonite in powder, pyrophyllite in powder,sepiolite powder,charcoal black, figuline, bentonite, aluminum production, iron red, chrome yellow ...