PPS plastic has good arc resistance, comparable to thermosetting plastics. PPS is usually used in electrical insulation materials, its capacity can account for about 30%. (5) Environmental protection performance: one of the characteristics of PPS plastics is chemical resistance, and its chemical stability is second only to F4. PPS plastics are mainly acid, ester, ketone, aldehyde, phenol and aliphatic hydrocarbon, aromatic hydrocarbon, chlorinated hydrocarbon, and resistant to biphenyl and acid volcano, oxidant, concentrated sulfuric acid, concentrated nitric acid, aqua regia, hydrogen peroxide and sodium hypochlorite. Among them, thermoplastic elastomer for automobile is an important application field. According to the different application characteristics of various plastic raw materials, plastic raw materials are generally divided into general plastic raw materials, engineering plastic raw materials and special plastic raw materials. The following is a detailed introduction to the general plastic raw materials and engineering plastic raw materials that we often talk about. Generally refers to the plastic raw materials with large output, wide use, good formability and low price. Its output accounts for more than 90% of the total production of plastic raw materials, so it is also called bulk plastic raw materials. There are five kinds of general plastic materials, namely polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS) and acrylonitrile butadiene styrene copolymer (ABS). Together, its application field will also expand to PP, ABS and other plastics.
Different types of engineering plastic raw materials represent different types, so what are the characteristics of engineering plastic materials under the guidance of different types? What are the primary characteristics and application fields of engineering plastics? Abs-1000 (brown gray): abs-1000 is made of pure polyetheretherketone resin, which has good resistance and impact resistance in all ABS grades. Abs-1000 can be sterilized by convenient disinfection methods (steam, dry heat, ethanol and y-ray). Moreover, the raw materials of abs-1000 are in accordance with the regulations of the European Union and the US FDA on food adaptability. These characteristics make it widely used in medical, pharmaceutical and food processing industries. Abs-hpv (black): participating in the achievements of PTFE, graphite and carbon fiber, abs-hpv has become a bearing grade plastic raw material. Its superior conflict function (low conflict coefficient, wear resistance, high peak voltage limit) makes this level of conflict application field ideal data. The toughening modification of PPS plastics with Nano-CaCO3 is a non elastomer toughening plastic technology developed in recent years (inorganic rigid particles toughening Plastic Technology), which is still in the research stage in China. The successful research and development of nano CaCO3 Toughening Masterbatch and its preparation skills have effectively solved the two major problems in the same research field at home and abroad.
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