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How to identify PE plastic bags and teach you several identification methods
Release time:
2023-06-16
In daily life, many products are packed in PE plastic bags, but there are many types and names of packaging materials. When we need to use PE plastic bags, what method do we use to identify them?
In daily life, many products are packed in PE plastic bags, but there are many types and names of packaging materials. When we need to use PE plastic bags, what method do we use to identify them? PE film is widely used to produce plastic bags, plastic films and milk drums. Its name is also polyethylene, it can resist various organic solvents and various acid and alkali corrosion, but does not contain antioxidant acids, such as nitric acid. Polyethylene may be oxidized in an oxidizing environment. Polyethylene can be considered transparent in a thin film state, but when it exists in bulk, due to the existence of a large number of crystals inside, it will be strongly scattered light and become opaque. The degree of crystallinity of polyethylene is affected by the number of its branches. The more branches, the more difficult it is to crystallize. The melting temperature of polyethylene crystals is also affected by the number of branches, the distribution
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