Food packaging bags high transparent PP film package material

PP film is colorless, tasteless, non-toxic, high transparent film, can direct contact with food, also known as polypropylene film. PP film has been widely used as a food packaging material. According to the different methods of processing, PP film can be divided into three classes of CPP, OPP, BOPP film, their application in food packaging also each are not identical. OPP and CPP for high temperature has good resistance, high transparency, clean surface gloss, so food sack many choose them as packaging material. Properties of PP bag package material PP film material usually has a high impact strength, bending fatigue resistance, high hardness, so PP film rub resistance. In blister products, PP as the material of trays, folding boxes, and other products. PP membrane water imbibition low, high temperature resistant, very suitable for water or water vapor antivirus, 150 ℃ basic will not deformation. PP film - at low temperature 35 ℃, prone to brittle, and the ultraviolet ray is sensitive. Heat sealing performance is good, for the gas barrier property to a certain extent, stretching rate is very good, high rigidity. Package material PP film in the application package material in food packaging one-way stretch film OPP, PP film has the good comfortable sex, high transparency, good smooth surface, so the OPP often used as printing material. OPP film moistureproof performance is excellent, also have a certain resistance capability at the same time, also has a certain heat sealing performance. So OPP is often as a single bags, food and fruit food on shelf life requirements on the bread will not particularly long food sack wide application. Package material of PP stretch film CPP, its high transparency, heat sealing effect is better than OPP, water vapor barrier property, oxygen barrier property and water resistance and more outstanding. CPP is as a general food packing bag heat sealing layer. MCPP ( Aluminium coated CPP) Has the very good oil resistance, ductility, the main as vacuum packaging of oily foods such as meat, able to withstand high temperature disinfection. RCPP ( Cooking class CPP) Cooking food bags as the heat sealing layer, is not easy to deformation. Packaging professional supply high transparent food packaging bags, food packaging bags, cooking oil resistant food packaging bags
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