Welcome To Qingdao Sanhuan Colorchem Co., Ltd.

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We insist on the principal of Integrity, Quality, Innovation, Specialty, Mutual Benefits in the business and by joint efforts, we have promoted businesses and friendship on both sides. We will keep on working this way and make the world more beautiful.

September 16,2020

WPC Material technology

Along with the research and development of WPC, the plastic raw materials for WPC production include high-density polyethylene or polypropylene, PVC and PS.The technology also developed from the earliest single screw extruder to the second generation of conical twin-screw extruder, and then to the preliminary granulation by parallel twin-screw extruder, and then to the conical screw extruder, which can make up for the difficulty of plasticization, poor anti-aging property, poor creep resistance, poor color consistency and durability and tensile strength.  After years of research and development and accumulation by many research institutes and WPC Hanjoin in China, the WPC materials produced can reach GB/T 24137 and ASTM D7031.ASTM D7032;BS DD CEN/TS 15534-3 requirements


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