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What is the method of identifying plastic bags?

Author:yltpacking    Time:17/05/12    Click:
 What is the method of identifying plastic bags?
Many of our customers for the plastic bag material is not very clear, often on their own need to order the plastic bag do not know which kind of material. For example, customers need to customize the bag, and then describe the shape of the bag size, but the high-pressure material or low pressure do not know. Here we talk about a few common plastic bag material distinction.
Material: It is divided into high pressure material (LDPE) and low pressure material (HDPE).
High-pressure material looks more smooth, soft to the touch, toughness is better, a lot of raw materials are made of high-pressure bag, a lot of products are used to do high-pressure packaging materials, there are large specifications for industrial use bags.
Low-pressure material Rally good, high hardness, widely used in shopping malls, all kinds of procurement market. Supermarket vest bag most of the use of low-pressure material production.
High and low pressure the most simple distinction between the method, with hand tear, produce white marks that is low pressure, because the low pressure is high density, it will produce white marks, no white marks have a good pull is generally high pressure.
Material: material body is hard, but the transparency is relatively high, more clear, pull is not very good, easy to burst mouth. The most used for gift packaging, as well as finished clothing sales, we buy new clothes with plastic bags and a layer of double-sided plastic seal is the kind of bag is usually a bag. PP plastic bags are very transparent, Slippery, but very hard, very loud and very brittle, it will fold up there will be creases, folding PE plastic bags will not because of good transparency, so when the packaging gift looks very high grade
Material: the most brittle material, the highest transparency, pull is not enough, but the most explosive, and the printing is most likely to bleach. If there is no gap is difficult to tear, but with a little gap do not have any strength can tear.
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