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PVA Bp-05 Bp-17 Bf-17 High Alcoholysis Polyvinyl Alcohol Adhesive Powder Particles CAS: 9002-89-5, PVA Granules, PVA Raw Particles

PVA Bp-05 Bp-17 Bf-17 High Alcoholysis Polyvinyl Alcohol Adhesive Powder Particles CAS: 9002-89-5, PVA Granules, PVA Raw Particles