• Double-Wall Heat Shrink Tube with Adhesive Liner | Waterproof Insulation for Automotive and Outdoor Use

Double-Wall Heat Shrink Tube with Adhesive Liner | Waterproof Insulation for Automotive and Outdoor Use

This double-wall heat shrink tube features a tough polyolefin outer layer and a thermoplastic adhesive inner liner. When heated, it creates a waterproof, durable, and insulated seal—ideal for cable joints in automotive, electrical, and outdoor communication systems.

■ Key Specifications
・ Outer Layer: Abrasion-resistant polyolefin
・ Inner Layer: Thermoplastic adhesive (hot-melt)
・ Shrink Ratio: 3:1
・ Shrink Start Temperature: 80℃
・ Full Recovery Temperature: 125℃
・ Operating Temperature: -55℃ to +125℃
・ Standards: UL224 / VW-1 flame retardancy

■ Features and Benefits
・ Waterproof Seal: Inner adhesive melts to bond tightly, preventing moisture ingress
・ Strong & Durable: High abrasion resistance for harsh environments
・ Insulation + Sealing: Combines mechanical protection and electrical insulation
・ Weather & Chemical Resistance: Ideal for outdoor and industrial applications
・ Flexible Sizing: Supports a wide range of wire and cable diameters

■ Industry Applications
・ Automotive Wiring: Sealing for wire splices, connectors, and battery cables
・ Electrical Panels & Equipment: Protection for terminals and joints
・ Telecom Infrastructure: Moisture-proofing for outdoor cables and junctions
・ Industrial Control Panels: Waterproofing in machinery and robotics
・ Energy Systems: Cable insulation in solar, EV, and battery setups

■ Why Choose This Heat Shrink Tube
・ Dual-layer design integrates sealing, insulation, and durability
・ Adhesive bonding ensures long-term reliability under vibration and moisture
・ UL-certified for global applications and OEM standards
・ Stocked in various sizes and lengths for fast shipment

■ Technical Details
・ Volume Resistivity: ≥1×10¹⁴ Ω·cm
・ Dielectric Strength: 2500V / 60s without breakdown
・ Tensile Strength: ≥10.4 MPa
・ Elongation at Break: ≥200%
・ Adhesion Strength: ≥80N/25mm
・ Flame Resistance: VW-1 (UL224 Certified)

■ Installation Guidelines
・ Use tubing 3× larger than pre-shrink cable diameter
・ Heat to ≥125℃ for full recovery and proper sealing
・ For outdoor or high-humidity use, ensure full shrinkage to activate adhesive

■ For further details, please contact us or download the catalog via the link below.


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Company Information

NISSEI USHIYAMA (THAILAND) CO., LTD.

Main 3 Products

SOLENOID / SILICONE FIBERGLASS TUBE / HEAT SHRINK TUBE

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Our company specializes in the import and export of automotive components, electrical insulation materials, and plastic products. Based in Japan, we leverage our global network to powerfully support t ...