Working temperature: 200 degree celsuis Material: Non-Alkali Fiberglass, silicone resin ID size: 0.5~30mm Voltage level: 1.2kv, 1.5kv, 2.5kv, 4.0kv, 7.0kv Certificate: Rohs, Reach, CSA, UL#: E333178, E333177 Application: Class F motor, house hold electrical appliances, electro heat device, and special lamps and lanterns.