Fiberglass Sleeve Coted Silicone Rubber Varnish (2751). High Thermal Resistance: H class 180C rating with thermal endurance up to 245C for 6 hours. Flame Retardant: Self-extinguishing properties meeting UL 1441 and VW-1 standards. Customizable Colors: Standard white, black, and natural; other colors available upon request. Flexible Customization: Length available in one meter, 50m, 100m coils, or cut to specific request. High Dielectric Strength: Breakdown voltage up to 7kV with minimum average of 1.2kV AC. Durable Material: Non-alkali fiberglass braided sleeving coated with high abrasion resistant silicone rubber. RoHS Certified: Product meets RoHS certification requirements for environmental safety. Wide Size Range: Inside diameter available from 1mm to 30mm with various wall thicknesses.