Four types of X-ETFE insulated materials were processed into aircraft wires,and the wires were treated by irradiation crosslinking.The processability,mechanical properties and crosslinking-proof-test of the wires were studied.The results showed that the performances of aircraft wires met the requirements of the standards MIL-W-22759 and GJB 773A—2000.

The main properties and manufacturing process of a new type of polyetherimide polymer ULTEM are presented.As an ideal material for production of Class 1E Category K1 cables for nuclear power station,ULTEM showed wide application prospects.

This paper presents the application of a new Silane crosslinking process of EPR, indicating the differences between this new process and the traditional curing process and the market prospect of the new process.

With the fast and continual growth of China's economy, the construction of the urban rail traffic is developing rapidly. The cables for urban rail traffic have a variety of products. This paper presents the series cables for urban subway, suburb railway and urban raised railway, including the product designation, type, application and matters needing attention in selecting cables.