Silicone Rubber Sleeving 20mm ID 250C Heat Resistant Flexible Wire Cable Insulation Tubing

High-Temperature Silicone Rubber Sleeving – Flexible Electrical Insulation Tubing

Our silicone rubber sleeving is extruded from 100% virgin silicone rubber and rated for continuous service from -60°C to +250°C. It delivers reliable dielectric insulation, outstanding flexibility and excellent resistance to ozone, UV and aging, making it an ideal protective sleeve for wires, cables and hoses in demanding environments.

Application Scenarios

• Electrical & electronic wire harness and cable protection
• Automotive engine-bay and battery cable insulation
• Home appliance and power-tool internal wiring
• Industrial machinery cable bundling and abrasion shielding
• LED lighting, power supply and new-energy cable protection

Quick Specification Table

Quality Assurance

Every batch is produced under an ISO 9001:2015 certified quality system. Raw silicone compound is tested before extrusion, and finished sleeving passes dimensional, hardness and dielectric checks. We also offer third-party lab testing (RoHS, REACH, UL) on request, with full traceability from compound lot to finished roll.

Packaging Specifications

Standard export packing: sleeving wound on spools/reels, wrapped in PE film, then packed into 5-ply corrugated export cartons. Custom spool sizes, reel printing, poly-bag and retail-ready packaging are available. Cartons are palletized and moisture-protected for sea freight.

After-Sales Service

We provide free technical consultation and samples for evaluation. Orders are supported by a dedicated account manager, on-time delivery tracking and a 12-month quality guarantee. Any confirmed quality issue is resolved by replacement or refund within 7 working days.

Factory Scale

Our Guangdong factory covers over 15,000 m² with 20+ silicone extrusion lines, in-house molding, cutting and printing workshops, and a full QC laboratory. Monthly capacity exceeds 500,000 meters, supporting both OEM and ODM projects with fast sampling and stable lead times.

FAQ