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Help CenterSilicone Rubber Inner, Fiberglass Outer Sleeving, 4kV 7kV High Voltage, 200℃ H Class
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1. Product Introduction
This product is a double-layer composite insulating sleeve consisting of an inner layer of silicone rubber and an outer layer of glass fiber impregnated with silicone resin. It adopts a composite structure featuring internal rubber sealing insulation and external fiber reinforcement for temperature resistance. It boasts high mechanical strength, excellent electrical insulation, resistance to high and low temperatures, flame retardancy, and fireproofing. It is a dedicated protective tube material for high-temperature and high-voltage electrical wiring harnesses, widely applicable to industries such as industry, new energy, and home appliances. It supports customization and meets export environmental standards.
Product IntroductionDouble-layer composite sleeve with inner silicone rubber and outer fiberglass coated with silicone resin. It features excellent insulation, high mechanical strength, wide temperature resistance and flame retardancy. Ideal for high temperature & high voltage wire harness protection, widely used in industry, new energy and household appliances.
II. Product Structure
Inner layer: Highly elastic and dense silicone rubber - insulation, sealing, waterproof, oil-proof, and leakage-proof
Outer layer: E-glass fiber braiding + silicone resin curing — tensile strength, wear resistance, aging resistance, flame retardant and self-extinguishing
Structure
Inner layer: Silicone rubber — insulation, sealing, waterproof & oil-proof
Outer layer: Braided fiberglass with silicone resin coating — high strength, wear resistance, flame retardant
III. Core Technical Parameters
Temperature resistance level: H level
Continuous temperature resistance: -40℃ to 200℃, instantaneous temperature resistance: 260℃
Voltage withstand level: 4kV / 7kV
Flame retardant standard: UL VW-1 self-extinguishing and no dripping
Compliance standards: RoHS, REACH, UL1441
Specification: complete range of inner diameters, with customizable colors and lengths
IV. Core Advantages
High insulation and anti-breakdown
The inner layer of silicone provides dense insulation, ensuring no leakage under high voltage and eliminating the risk of short circuits, thus providing strong electrical safety.
High temperature and weather resistance
It is stable for long-term use at 200℃, does not crack at low temperatures, is resistant to ozone and thermal aging, and has a long service life.
High strength and wear resistance
Reinforced with fiberglass braiding, it is resistant to tension, tearing, and friction, effectively resisting damage from external mechanical forces.
Flame retardant and fireproof
The silicone resin coating is flame-retardant and self-extinguishing, preventing the spread of fire and meeting the fire protection requirements of compatible equipment.
All-environment protection
It is waterproof, moisture-proof, resistant to acids and alkalis, and oil-resistant, ensuring stable operation under complex working conditions.
Soft and easy to install
The tube body is flexible and easy to bend, easy to cut and thread, making on-site construction convenient.
Key AdvantagesHigh voltage insulation, H-class high temperature resistance, excellent mechanical strength, VW-1 flame retardant, waterproof & chemical resistant, flexible and easy installation, long service life.
V. Scope of application
Industry: motors, transformers, reactors, electric heating equipment, electrical control cabinets
New energy: wire harness, battery pack, and insulation protection for charging piles for new energy vehicles
Home appliances: internal wiring of ovens, heating tubes, induction cookers, and high-temperature electrical appliances
General: thermal insulation and protection for high-temperature equipment, metallurgy, chemical industry, and lighting wiring harnesses
VI. Customized Services
Customizable inner diameter, wall thickness, color, length, and pressure rating, with non-standard production as per demand, meeting customized supporting needs of different industries.
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