ACR is the abbreviation of acrylate processing aids and acrylate impact modifiers. Because ACR is widely used in the PVC additive market.Therefore, PVC processing aids and impact modifiers are often collectively referred to as ACR. According to the product performance and application scope, it can be divided into:Acrylic Processing Aid,Acrylic Impact Modifier,PVC Processing Aid,PVC Impact Modifier,PVC Foam Regulator,SAN Processing Aid.