... a Weatherable Acrylic Impact Modifier used in rigid PVC products. Product Description:This series Impact Modifier ... suitable for outdoor products and broadly used in PVC profiles, sheets, boards, pipes, pipe fittings, etc.Physicochemical ... 61HC-55CharacterFor transparent productsFor opaque productsUse(Outdoor transparent)sheets, profilesProfiles, sheets, pipes, pipe fitting, etc.Recommended dosage( ...