Suspension Overhead Line Strain Composite Insulator

Suspension Overhead Line Strain Composite Insulator 1.No flaw,crack in the surface and interior ,each bar color uniform(green or light yellow). 2.Can withstand the sawing,milling,planning,drilling,lathe and other mechanical processing. 3.Internal thread can be tapping with screw tap,external thread can be polished,but not allowed to bear overload. 4.It has good damping,creep resistance,fatigue resistance,fracture resistance ,high temperature resistance,stress corrosion resistance etc.