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The Nature Of HDPE Pipe

Oct. 19, 2018

HDPE Pipe mainly uses two properties: chemical and physical properties.

1. HDPE pipe chemical properties: polyethylene is resistant to many organic solvents, resistant to a variety of acid and alkali corrosion, but not resistant to oxidizing acids such as nitric acid. Polyethylene is oxidized in an oxidizing environment.

2. HDPE pipe Physical properties: Polyethylene can be considered to be transparent in the film state, but in the presence of a block, due to the presence of a large amount of crystals inside it, strong light scattering and opacity occur. The degree of crystallization of polyethylene is affected by the number of branches, and the more branches, the more difficult it is to crystallize. The crystal melting temperature of polyethylene is also affected by the number of branches, distributed in the range from 90 degrees Celsius to 130 degrees Celsius, and the more the branches, the lower the melting temperature. Polyethylene single crystals can usually be prepared by dissolving high density polyethylene in xylene in an environment above 130 degrees Celsius.

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