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New Design PVB Resin Adhesive Grade Polyvinyl Butyral Resin CAS No. 63148-65-2 PVB, Find Details and Price about 2 PVB CAS: 63148-65-2 from New Design PVB Resin Adhesive Grade Polyvinyl Butyral Resin CAS No. 63148-65-2 PVB - Shandong Yinglang Chemical Co., Ltd