... Parts A,C,E are made of UL approved nylon PA66,parts B and D are made of nitrile ... Metric,PG,G,NPT♦Working temperature:-40°C to 100°C in static state,instantaneous heat resistance ... up to 120 °C;-20°C to 80°C in dynamic state,instantaneous ... ultra-strong stretching resistance,waterproof,dustproof,and high ability to resist salt,acid,alkai,alcohol,grease and general ...