The results show that the extruded polyethylene coating wire line has obvious advantages in elasticity modulus, corrosion protection, manufacture process and investment, which is suitable to the aerial crossing project of Zhongxian-Wuhan Gas Transmission Pipeline.

Analysis of tensile mechanic performance of self-reinforced polyethylene monofilament for fishing gear;

The properties, preparation, characteristics,applications and prospects in aluminium plastic compound pipe and hot water pipe of crosslinked polyethylene and polyethylene of raised temperature were introduced in detail.

Taking the steel mesh skeleton plastic(polyethylene) compound pipe as the fire fight buried pipeline in the salinization soil area for example,the paper introduces some points for attention from the aspects such as design,construction control and acceptance of the pipe etc.