High Temperature Heat Resistant Insulation Rubber Fiber Glass Tube H Class Customized Size 1.5kv 2.5kv 4kv 2751 Silicone Coated Insulation Fiberglass Sleeve. Customized Color Options: Available in White, Black, Red, or customized colors to meet specific needs. Wide Voltage Range: Supports voltages from 1.5kV to 7kV with a maximum rating under 10kV. Flexible Material: Made of fiberglass with high tensile strength for easy installation and durability. Certified Quality: Complies with ROHS, REACH, ISO9001, and SGS standards for safety and reliability. Versatile Applications: Ideal for insulation protection in motors, cables, lighting, transformers, and generators. Flexible Sizing: Inner and outer diameters range from 1mm to 30mm (normal size up to 40mm). Bulk Packaging: Packed in 100m or 50m rolls for efficient storage and transport.