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Sinochem News On March 1, Yanchang Petroleum Yanan Energy and Chemical Company successfully produced K4940, a polypropylene transparent material, adding a "new wing" to enhance the core competitiveness of the company
It is reported that the new K4940 is a special material for random copolymerization, which has the advantages of good transparency, high gloss and low shrinkage of injection molding products
In order to succeed in trial production, Yan'an Neng Hua formulated a detailed technical plan for production conversion after many technical exchanges and discussions