... ACR) 1.white amorphous powder 2.Excellent metalstrpping performance 3.PVC improver 4.fast delivery Acrylic Processing Aids (ACR)1.Synonyms ... .widely used profiles, sheet, pipe, pipe fittings, plastic and foam products extrusion, injection molding, blow molding and vacuum system type ... .5.Package: packing in 25kg pp woven bag PVC additive ACR/Acrylic Processing Aid for PVC profiles/foam board