我和闺蜜在公交被八人伦,公交车NP粗暴H强J玩弄,荡女高中生蒋雅雅末班车被吸

                                      What PPSU that?
                                      專欄:英文
                                      發布日期:2020-08-27
                                      閱讀量:727
                                      作者:優巨
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                                      PPSU is an amorphous thermal plastic, having high transparency and high hydrolytic stability. Article can withstand repeated steam sterilization.

                                      PPSU, scientific name: polyphenylene sulfone resin (Polyphenylene sulfone resins) PPSU polyphenylene sulfone resin, polysulfone (Polysulfone) referred PSF series. Is novel engineering thermoplastics, refers to a polymer compound, a noncrystalline aromatic nucleus comprising a sulfone group and in the main chain.

                                      Wide range of uses:

                                      1, suitable for production of heat-resistant parts, insulating parts, less wear resistant parts, instrument parts and medical equipment parts, suitable for the production of low-temperature poly aryl sulfone working parts.

                                      2, polysulfone in electrical and electronic industry commonly used in the manufacture of integrated circuit boards, coil pipe racks, contacts, set frame, film capacitors, high-performance alkaline battery case.

                                      3, polysulfone terms for microwave ovens in household appliances equipment, coffee heaters, humidifiers, hair dryer, cloth evaporated machines, beverage and food distributor, eating utensils, cups, bottles and the like. Can also be used in place of non-ferrous metal clocks, copiers, cameras and other precision structural parts.

                                      4, polysulfone has passed the American pharmaceutical, food industry relevant norms can replace stainless steel products. Since the polysulfone vapor resistant, hydrolysis, non-toxic, high temperature steam sterilization, high transparency, good dimensional stability and other characteristics, can be used as a surgical tool tray, sprayers, fluid controllers, heart valves, pacemakers, gas masks, tray and so on.

                                      Due to PPSU for relief material, non-carcinogenic endocrine disrupting chemicals (environmental hormones: bisphenol A), and as a material excellent in heat resistance, heat resistance at temperatures up to 207 degrees. Due to repeated high temperature boil, steam sterilization. It has a very good resistance to acid and alkaline, can withstand general medicine and detergent wash, does not produce chemical changes. Aspect lightweight, impact, in terms of security, temperature, hydrolysis and impact resistance, etc. are the best. But the price is relatively expensive.
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                                      我和闺蜜在公交被八人伦,公交车NP粗暴H强J玩弄,荡女高中生蒋雅雅末班车被吸