... ,W,F type Plastic terminals /terminal blockMaterial:PE, polyethylene, good flexibility, transparency, extensibility, soluble, radiation, working temperature: - 40 ... low transparency, low impact resistance, good rigidity, working temperature: - 200c.best ~ 90 degrees.PA, nylon 66 ... 2 flame resistance, good resistance to impact, soluble, working temperature: - 30 ° ~ 110 degrees Celsius.Brass. Galvanized ...