Sheets with a thickness between 0.2-0.4mm are mainly used for food packaging, such as disposable transparent food packaging in supermarkets, disposable PP cups, etc. The main raw material is homopolymer PP (such as domestically produced T30S, F401, 2401, etc.) There is also a small amount of random copolymer PP. Sheets with a thickness between 0.5-0.8 mm are mainly used for environmental protection. As a water treatment material, the material can be used underwater for seven or eight years. The raw materials used are mainly copolymerized PP. The thickness of 0.8-6mm PP plate / sheet is mainly used for chemical tank lining, environmental protection can also be used for water treatment. PP sheet with a thickness of about 3mm is used to make ornaments such as plastic Christmas trees. PP hollow plate thickness is generally 2-7mm, mainly used for the production of document packages, crates, greenhouses, bathroom booth partitions, decorative panels, panels, wall panels, lighting panels, etc., The main raw material for the block copolymer PP. PP sheet with a thickness of more than 6mm is mainly used in industry. The raw material of sheet material is usually block copolymer PP, and some manufacturers use random copolymerization and homopolymerization of PP.
In previous years, due to the fact that the PP film and sheet production lines were basically imported, the manufacturers started to provide imported materials mainly from foreign parties. The imported materials were mainly produced by Korea Hyosung Company's J340, MFR=1.7g/10min; Japan OBJ809 of Umbsch Production Co., Ltd., MFR = 2.0g/10min; Copolymer M1250 of Korea Modern Petrochemical Company; BJ100 of Samsung Co., Ltd. of Korea. With the development of domestic PP industry, random copolymer PP and block copolymer PP have been successfully developed and put into the market, such as EPS30R of Qilu Petrochemical, J340, F401 of Yangzi Petrochemical, 1340, 1440 of Yanshan Petrochemical, M180R of Shanghai Petrochemical, etc. , Gradually met the domestic PP board, sheet material market demand for raw materials, especially Qilu EPS30R, its processing performance, product appearance quality, low temperature performance and other indicators meet or exceed the imported materials, has been widely praised by users. With the improvement of the quality of domestic PP, the properties of domestic materials basically meet the requirements of use and can replace imported materials.
At present, the main domestic PP production board/chip manufacturers are Suzhou Plastics No. 1 Plant, Suzhou Plastics No. 10 Plant, Xiaoshan Datong Plastics Company, Zhejiang Yongqing Plastics Company, Zhejiang Plastics Factory, Hangzhou Ouhua Plastic Products Co., Ltd., and Zibo Plastics Factory No. Longkou Zhongji recurrence plastic company, Taizhou Chuangjia Stationery Co., Ltd. and so on.
In particular, it is worth mentioning that in the mid- to late-1990s, Europe, the United States, and Japan developed PP-foam sheets and plates, which received great attention once they were put on the market. Compared with traditional materials, foamed PP is favored by people for its excellent heat resistance, mechanical properties, low cost and good environmental adaptability, and is gradually replacing foams such as PS, PUR, and PE. Materials used in packaging, automotive, thermal and acoustic insulation, environmental protection, sports equipment and building materials industries. In recent years, China has also launched an upsurge in the development of the development of PP foam materials, and has begun to put on the market. Degradable PP foam snack box has a huge market potential in China's railway system. It is understood that the annual consumption of various types of fast food boxes in China is around 15 billion. In addition, foamed PP sheets and plates will have a large potential market in the automotive interior decoration, construction, vegetable and fruit food packaging, thermal insulation, electrical appliances and other fields. As a replacement product for foaming PS, it has broad market prospects. .
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