how strong are plastic wraps?what are plastic wraps?
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plastic pull on it to find out plastic
Polyvinyle chrloride, polyvinylidene chloride, or low density polyethylene, depending on the maker. The strenght is a function of the formulation, for LDPE, it is 1700 psi (pound per square inch).
Plastic wraps such as Saran wrap are made of polyethylene. It is a polymer of ethylenes. There are other polymers of plastics, but most wraps are polyethylene. They can be as strong as the thickness of the film. A polymer is a chain of like groups. It is a branched chain so they are connected in all directions.
