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To understand the basic knowledge of printed plastic bags

by:Sinograce Chemical     2021-04-11
Plastic packing product is commonly used in the food industry, is extremely strict to hygienic requirements, the use of non-toxic water-based environmental protection plastics ink as a general printing ink. Plastic bags before production must first understand the basic characteristic of the membrane material to produce customer satisfaction products. Now commonly used in the industry of food packaging film materials are mainly PE, BOPP, CPP, PET this several. Here are the basic characteristics: 1, the two-way stretch polypropylene BOPP: thickness of 20 ~ 40 & mu; M, high transparency, tensile, cold resistant, heat resistant properties, such as using temperature range in - 40℃~120℃。 2, polyester film, PET: its heat-resistant 60 ~ 150 ℃, good air tightness, and a strong tension resistance, suitable for cooking, 3, cast polypropylene CPP: good gloss, good transparency, heat sealing resistance, stretch film is suitable for cooking packing 4, polyethylene high PE: transparency, good gloss, heat sealing resistance, cold-resistant in water-based plastic printing ink is specially designed for film products, suitable for PE, BOPP, CPP, PET, PVC, PO, such as membrane material printing, according to the film and printing process of different design formula, causes the printing effect is more outstanding, also can print manufacturer to save the cost of production.
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