Factors causing yellowing epoxy products easy to have a lot. 1, an aromatic epoxy resin of bisphenol A structure is easily oxidized to produce carbonyl group formed yellow; 2, polymeric amine curing agent and epoxy direct free amine components, leading to local temperature range 201 resin Shandong accelerate yellowing ; 3, tertiary amine accelerators, nonylphenol accelerator in hot oxygen, UV irradiation are easy to change; 4, the reaction temperature is too high, the system residual impurities, a metal catalyst will induce yellowing. With the North American construction industry rebound Shandong acrylic resins, epoxy resins strong demand growth in the United States have recently epoxy resin producers to raise prices. According to experts, Dow and Hexion's Mai Tute kinds of materials Shandong acrylic modified resin, announced the January price increase of 7 cents / lb, February price increase of 10 cents / lb; Huntsman also announced January 15 from the price increase of 10 cents / lb, the company official said the market outlook is likely to continue to raise prices. Market analysts said the United States in January epoxy resin prices firm, but in February related price increases will depend on whether the company needs change. January sales in the United States to medium customers, liquid epoxy resin price of $ 1.52 to 1.60 / lb (delivered price). High temperature resin | Boshan Light Industry Chemistry (certified) | Zibo Boshan resin by light chemical plant. Boshan Light Industry Chemistry Plant (www.cnsimei.com) is an industry leader in Shandong Zibo, acrylic resin, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Light in Boshan Chemical leadership with the staff warmly welcome all inquiries negotiations to create Boshan Light Industry Chemistry a better future.