国内精品久久人妻互换_av免费看网站在线观看_熟妇乱子伦视频在线观看_久久电影免费精品

1KV heat shrinkable power cable terminal head, intermediate joint series products, set waterproof, stress control, insulation in one. It has good electrical and mechanical properties and can be used for a long time under various harsh environmental conditions. It has the advantages of light weight and easy installation. It is widely used in electric power, petrochemical, metallurgy, railway port and construction fields.

Compared with traditional cable accessories, it has the characteristics of small size, light weight, safety and reliability, and easy installation. The product conforms to GB11033 standard, the long-term use temperature range is -55 °C ~ 105 °C, the radial shrinkage rate is ≥50%, the longitudinal shrinkage rate is <5%, and the shrinkage temperature is 110℃～140℃。

The materials used are generally composed of polyethylene, ethylene-vinyl acetate (EVA) and ethylene propylene rubber and other material components.

This type of product mainly uses stress tube to deal with the problem of electrical stress concentration. That is, the parameter control method is used to alleviate the stress concentration of the electric field.