... PS, PC, AS, ABS, PVC, SBS, polyester, polyether, polyurethane...... Aluminate coupling agentTypical Physical Properties: Color and Appearance:white to light yellow ... >2800mg/kg Applications: HW-988 may be used as a coupling agent in the basal resin, such as PE, PP, ... as CaCO3, MgCO3, BaSO4, CaSO4, MgO, Al(OH)3, French chalk, mica powder, crypton, titanium dioxide,wollastonite in powder, pyrophyllite ...