Chloridizing butyl rubber was sellected as the cover body material,comparing with those of home and abroad gas masks.

The radome materials go through an evolution route as follows:alumina→pyroceram→quartz→ceramic matrix composite,and develop gradually towards advanced properties such as wide bandwidth,mass communication,well control and guide.

Because of its high ductility and high density,the tantalum will be a type shaped charge liner material,and the penetrating properties of tantalum liner are superior to that of conventional copper liner.