... , PS, PC, AS, ABS, PVC, SBS, polyester, polyether, polyurethane...... Aluminate coupling agentTypical Physical Properties: Color and Appearance:white to light yellow ... % for litter white rat: LD50>2800mg/kg Applications: HW-988 may be used as a coupling agent in the basal resin, such ... , impact strength, elongation at break and reduce system viscosity. Aluminate coupling agent HW-988