YUKALAC Unsaturated Polyester Resin
Unsaturated Polyester Resin (UPR) is a thermoset type polymers. It is made from the polymerization of acids with glycols, dissolved in styrene. In the composite industry, the use of Unsaturated Polyester Resin (UPR) is approximately 75% of total resins. PT Justus Sakti Raya is currently the largest manufacturer of Unsaturated Polyester Resin (UPR) in Indonesia, under the trade name of YUKALAC® Unsaturated Polyester Resin. Our product is licensed from Showa Highpolymer Co.,Ltd. (Japan) and Polynt SpA (Italy). The total current production capacity is 40,000 tons/year.
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