PVC IMPACT MODIFIER(AIM) * Acrylic impact modifier is special core-shell type of copolymer. lt can enhance products impact strength under low temperature. * lts core is the lightly crosslinked acrylic ester copolymer, which can transfer external impact energy into heat; its shell is MMA copolymer, which has good compatibility with Pvc. Our products also has good processability, and endow the products with excellent glossiness and weatherability.