Product Name: Compound Silicone Rubber for HVAC/Hvdc Uhv Materials for Composite Insulators Model NO.: U1425447B Form: Powdered Rubber Appearance: Solid Elastic Material: Silicone Rubber Raw Material: Compounding Rubber Trademark: MPC Transport Package: Paper Crate Specification: 1100*830*850 Origin: China HS Code: 3910000000 Product Description Patent owned compound silicone rubbber specially for HVAC, HVDC, UHV composite insulators5000hrs accelerated weathering test qualified.1000hrs salt fog tracking and erosion test qualified4.5kV and 6kV electric strength