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UPR (Unsaturated Polyester Resin)

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Unsaturated Polyester Resin

Unsaturated Polyester Resin

產品分類 : UPR (Unsaturated Polyester Resin)

Unsaturated polyester resin is a condensation polymer formed by the reaction of polyols and saturated/unsaturated dibasic acids at 190-220℃ until the expected acid value or viscosity is met. After ...