This premium 4:1 heat shrink tubing with a bonded adhesive liner provides a durable, waterproof seal for electrical connections and cable repairs. Available in lengths of 1M, 2M, and 3M, it features a wide diameter range from 4mm to 52mm to accommodate various wire gauges and bundles. The double-wall construction ensures superior environmental protection and strain relief. Features and Benefits
- 4:1 High Shrink Ratio - Allows for application over connectors and terminals significantly larger than the tubing's recovered size, offering excellent versatility.
- Bonded Adhesive Liner - Melts during heating to form a waterproof, airtight seal that prevents moisture ingress and corrosion.
- Wide Diameter Selection (4mm to 52mm) - Covers an extensive range of applications, from small gauge wires to large cable harnesses and hoses.
- Durable Polyolefin Outer Wall - Provides excellent abrasion resistance, chemical stability, and protection against mechanical damage.
- Available in 1M, 2M, and 3M Lengths - Offers flexibility for both small projects and bulk professional use, reducing waste. Applications
- Electrical Splices and Terminations - Creates insulated, strain-relieved connections for automotive, marine, and industrial wiring.
- Cable Harness Protection - Bundles and shields groups of wires from abrasion, fluids, and harsh environments.
- Repairing Damaged Insulation - Quickly restores integrity to cracked or worn cable jackets on tools, appliances, and equipment.
- Sealing and Strain Relief - Protects connections on sensors, lights, and outdoor electronics from vibration and moisture.
Outer Wall Material: Polyolefin. Inner Wall Material: Thermoplastic Adhesive. Adhesive Melt Flow: ≥ 200%. Dielectric Strength: ≥ 15 kV/mm. Elongation at Break: ≥ 200%. Expanded Inner Diameter (Pre-Shrink): 16 mm, 24 mm, 32 mm, 48 mm, 64 mm, 80 mm, 96 mm, 128 mm, 160 mm, 208 mm. Flame Rating: UL 224 VW-1. Full Recovery Temperature: +120°C. Length: 1 m, 2 m, 3 m. Longitudinal Change: ≤ 10%. Minimum Shrink Temperature: +70°C. Operating Temperature Range: -55°C to +125°C. Product Type: Dual-Wall Heat Shrink Tubing with Adhesive Liner. Recovered Inner Diameter (Post-Shrink): 4 mm, 6 mm, 8 mm, 12 mm, 16 mm, 20 mm, 24 mm, 32 mm, 40 mm, 52 mm. Shrink Ratio: 4:1. Tensile Strength: ≥ 10.4 MPa. Wall Construction: Dual-Wall. Waterproof Seal: Yes. Available Lengths: 1 meter, 2 meters, 3 meters. Available Recovered Inner Diameters: 4 mm, 6 mm, 8 mm, 12 mm, 16 mm, 20 mm, 24 mm, 32 mm, 40 mm, 52 mm. Construction: Dual-layer (polyolefin outer, adhesive inner). Outer Layer Material: Radiation-crosslinked polyolefin. Operating Temperature Range: -55°C to +135°C. Full Recovery Temperature: +120°C. Minimum Shrink Temperature: +80°C. Waterproof Seal: Yes (inferred from adhesive liner). Flame Rating: UL 224 VW-1 compliant (inferred). Adhesive Liner Type: Thermoplastic rubber-based sealant. Adhesive Melt Flow: Complete at recovery temperature. Chemical Resistance: Resistant to common oils, fuels, and solvents (inferred for polyolefin). Color: Black (standard for industrial tubing, inferred). Dielectric Strength: >15 kV/mm (inferred for standard dual-wall tubing). Longitudinal Shrinkage: ≤10% (typical for adhesive-lined tubing). Product Type: Double Wall Heat Shrink Tubing with Adhesive Liner. Shrink Ratio: 4:1. Tensile Strength: >10.4 MPa (ASTM D2671, inferred). Q: What are the exact dimensions and shrink ratio of this heat shrink tubing? A: This double wall heat shrink tubing is available in 1-meter, 2-meter, and 3-meter lengths. It has a 4:1 shrink ratio and comes in internal diameters ranging from 4mm to 52mm to suit various wire and cable sizes.. Q: How durable is this double wall heat shrink tubing with the rubber sleeve? A: The double wall construction with an inner adhesive lining provides excellent durability. It creates a waterproof, corrosion-resistant, and mechanically strong seal that protects connections from moisture, abrasion, and environmental factors.. Q: Can I use this 4:1 heat shrink tubing for automotive or marine electrical connections? A: Yes, this tubing is ideal for demanding applications like automotive and marine wiring. The adhesive-lined, double-wall design provides a superior waterproof and vibration-resistant seal, perfect for protecting splices in harsh environments.. Q: Does this heat shrink tubing come with any warranty or guarantee? A: Yes, this product is backed by a satisfaction guarantee. We stand behind the quality and performance of our heat shrink tubing for its intended use, ensuring you receive a reliable and effective product.. Q: Is this heat shrink tubing a good value compared to other options? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use with its durable double-wall construction and wide range of sizes..