Water soluble film wholesale and import declaration matters needing attention
plastic films are widely used in food packaging, agriculture, medicine, chemical industry, construction and other fields, along with our country economic development and industrial structure adjustment, the market demand for plastic film is rising.
According to customs statistics, in 2018 China's imports of plastic film, 108.
40000 tons, the value of 635.
500 million yuan.
< br /> < br /> the classification of the plastic film < br /> < br /> < br /> common plastic film < br /> < br /> 01 packing plastic film < br /> < br /> the classification of water soluble film wholesale < br /> < br /> the plastic film there are three main kinds of classification methods: < br /> (
According to the raw material classification.
According to the plastic molding with different raw materials, can be divided into the polyvinyl chloride,
Film, polyethylene (
Film, polypropylene (
Film, polyethylene terephthalate (
Film, polystyrene (
Film, ethylene/vinyl acetate (
Film, polyamide (
（ 2) According to the classification purpose. According to the plastic film purpose is different, can be divided into packaging film ( Packaging film according to the specific purposes and can be divided into food packaging film and all kinds of industrial products with packaging film, etc. ) , agricultural film, Agricultural film according to the specific purposes and can be divided into film and shed film) , for special environment functional film (with special purpose Such as breathable film, water soluble film) And so on.
（ 3) According to the classification process. According to the plastic film forming method is different, can be divided into the blown film ( Extrusion plasticizing, then blow molding of thin film) , stretch film, Plasticizing, squeeze the molten material from the mold stretch forming film) , rolling film ( Through the calender roller compaction plastic material made of thin film) And so on. < br /> < br /> common plastic film < br /> < br /> 01 water soluble film wholesale packaging plastic film < br /> < br /> plastic film applied to agricultural production in our country, has many years of history, was first used for rice seedlings, increase yield significantly, then gradually expand the application to the sweet potato, cotton seedlings, vegetables cultivation, tobacco, ginseng, obtained achievements in such aspects as sericulture production. < br /> < br /> 3 water soluble film wholesale automobile and building plastic film
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