... , printing ink, magnetism material, waterproof material etc.. Product: Aluminate coupling agent HW-1108Typical Physical Properties:Appearance: whit to light yellow ... retardant etc.. Application objects:1 matrix resin: PE, PP, PS, PC, AS. ABS, PVC, SBS, polyester, polyether, polyurethane, polyamide, ... be added in 3 to 5 minutes after activition of coupling agent to fillers. (General adds in 1 minute ...