Flame Retardant Silicone Coated Fiberglass Sleeve Class H N High Voltage Insulation Pipe. Customizable Thickness: Available in 1mm-30mm or fully customized dimensions. Multiple Color Options: Offered in White, Yellow, Red, and Black. High Dielectric Strength: Initial average dielectric of 7 kV with excellent insulation. Flexible & Durable: Highly flexible, easily installed, and withstands mechanical stress. Chemical & Heat Resistance: Resistant to chemicals and suitable for F-class heat environments. Factory Direct Pricing: Competitive prices from direct factory sales with quality assurance. Free Sample Availability: Free samples for all sizes; freight cost returned after first deal. ISO 9001 Certified: Manufactured under strict quality control with ISO 9001 certification.