Introduction: The addition of PVC processing aids B-23 to rigid PVC formulations is a processing aid based on a high molecular weight polymethacrylate resin. B-23 improves the processability and the performances of PVC formulations. Application: B-23 are mainly used in PVC profiles, foam pipe, foam profiles, foam sheet, wood composites, etc. Addition levels for this application are 5-8 phr(PVC 100 phr). Information provided by Shanghai Potomer International Trade Co., Ltd |