PVC processing aid include acrylic based processing aid or named ACR processing aid which is MMA based,SAN processing aid which is styrene based processing aid,high molecular weight processing aid which main used as the pvc foaming regulator.Our processing aids equivalent to the Dow Paraloid K series,Kane Ace PA series,LG PA series,Mitsubishi Metablen P series,Arkema PLASTISTRENGTH P series,AKDENÄ°Z PRO,Shandong Rike HL series.
The reason why use PVC Processing Aid in the production is that the pure PVC resin is easy to decompose, has poor fluidity, low impact strength and poor weather resistance, so it is necessary to add various auxiliary materials in the processing process to improve its performance. Such as: lubricants, heat stabilizers, impact modifiers, processing aids, etc.
In the process of development and application of processing aids, according to the product composition, it can be roughly divided into the following categories: methyl methacrylate (MMA) / acrylate copolymer, MMA / styrene copolymer, acrylonitrile / styrene, etc. at present, MMA / acrylate copolymers are the most widely used and the most effective ones.
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