PE Bags Have Excellent Low Temperature Resistance

PE is the abbreviation of polyethylene, which is a thermoplastic resin obtained by polymerization of ethylene. In industry, it also includes copolymers of ethylene and a small amount of α-olefin; it is a kind of transparent plastic bag, which can be used for packaging of clothing, bags, electronic products, etc.
Polyethylene has excellent low temperature resistance (the lowest operating temperature can reach -70 ~ -100 ° C), good chemical stability, and can withstand most acids and alkalis (not resistant to acids with oxidizing properties), and is insoluble in general at room temperature. Solvent, low water absorption, excellent electrical insulation performance; but polyethylene is very sensitive to environmental stress (chemical and mechanical effects), and has poor heat aging resistance. The properties of polyethylene vary from variety to variety, mainly depending on molecular structure and density. Products with different densities (0.91-0.96g/cm3) can be obtained by using different production methods. Polyethylene can be processed by general thermoplastic molding methods (see plastic processing). It has a wide range of uses, mainly used to manufacture films, containers, pipes, monofilaments, wires and cables, daily necessities, etc., and can be used as high-frequency insulating materials for TVs, radars, etc.
In addition, the plastic wrap of PE material can also be called PE bag. Note that the plastic wrap that is in direct contact with food must be made of PE material (the other is generally PVC), which is safer for the human body. Resolution method: The transparency, stretchability and viscosity of PVC cling film are stronger than PE cling film. When the PVC cling film is burned with fire, the flame will turn black, emit black smoke, have a pungent smell, will not drip oil, and will automatically extinguish after leaving the fire source. When the PE cling film burns, the flame is yellow, odorless, dripping oil, and can continue to burn after leaving the fire source.