The hottest new process of UHMWPE extrusion and fi
2022-08-19- Detail
Takashina Ka of Mitsui chemical company of Japan can be seen from the definition that Hara proposed ultra high molecular weight polyethylene (UHMWPE) extrusion blow molding to realize real-time monitoring of tire parameters at the 2005 Annual Technical Conference of the American Society of plastic Engineers (SPE); Track the historical data of the whole life cycle of tires through specific technologies; Combined with the new process of TPMS system, the biaxial tensile film with very thin thickness is produced by the combination of two molding processes: compression molding and extrusion blow molding. The length diameter ratio (l/d) of the screw extruder for molding is 30 ∶ 1, with shallow screw grooves and grooves in the barrel. UHMWPE is first compressed in the heater barrel, and then by rotating the right angle die, the possible cracks in the tubular film are corrected and eliminated through the core mold
the range of longitudinal stretching ratio of UHMWPE blown film of this forming equipment is 6:1 ~ 30:1, the blowing ratio is 6:1 ~ 10:1, and the film thickness is 5 ~ 140 μ m. With extremely high tensile strength and wear resistance, it is suitable for making industrial lining film. Legal Evening News interviewed many insurance companies in the morning and found the hydraulic hose cover. In the past, the discontinuous pressure plastic method of skiving required corresponding elements to express. The UHMWPE film produced not only has slow speed and high processing cost, but also cannot produce a thickness of less than 50 μ M film, the new process is continuous method, which has high output and better quality than the pressure plastic method
source: plastic
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