The Dual Wall Heat Shrink Tubing is designed for large-diameter cable insulation, providing secure and uniform sealing for cables of various sizes. It is commonly used in power cable terminations, splices, and industrial wiring, offering high-strength insulation and mechanical protection.
The thick polyolefin outer layer provides abrasion resistance, impact protection, and UV shielding, while the inner adhesive lining ensures a moisture-resistant, leak-proof bond, preventing failures in humid or submerged environments.
| Property | Test Method | Standard | Typical Performance |
|---|---|---|---|
| Tensile Strength(MPa) | ASTM D2671 | ≥10.4 | 13.25 |
| Elongation(%) | ASTM D2671 | ≥200 | 450.62 |
| Tensile Strength after aging (MPa) | UL224 158 ℃*168h | ≥7.3 | 11.28 |
| Elongation after aging(%) | UL224 158 ℃*168h | ≥100 | 390.69 |
| Dielectric strength(kV/mm) | IEC 60243 | ≥ 15 | 18.25 |
| Volume resistivity(Ω.cm) | IEC 60093 | ≥ 1X1014 | 2.14X1014 |
| Flammability | ASTM D2671B | Pass | Pass |
| Adhesive | |||
| Property | Test Method | Standard | |
| Water Absorption | ASTM D570 | ＜0.2% | |
| Softening Point(℃) | ASTM E28 | 90±5 | |
| Strength of pearing (PE) | ASTM D 1000 | 120N/25mm | |
| Strength of pearing (Al) | ASTM D 1000 | 80N/25mm | |
| Size | Expanded | After Recovery | Standard Package | |||
|---|---|---|---|---|---|---|
| Inch | mm | Inner Diameter Min(mm) | Inner Diameter Max(mm) | Total Wall Thickness (mm) | Adhesive Thickness (mm) | Spool Length M/spool |
| 1/ 16 | 1.6 | 1.6 | 0.8 | 0.60±0.30 | 0.30±0.2 | 200 |
| 3/32 | 2.4 | 2.4 | 1.2 | 0.70±0.30 | 0.35±0.2 | 200 |
| 1/ 8 | 3.2 | 3.2 | 1.6 | 0.70±0.30 | 0.35±0.2 | 200 |
| 3/16 | 4.8 | 4.8 | 2.4 | 0.80±0.30 | 0.40±0.2 | 100 |
| 1 /4 | 6.4 | 6.4 | 3.2 | 0.80±0.30 | 0.40±0.2 | 100 |
| 5 /16 | 7.9 | 7.9 | 3.9 | 0.90±0.30 | 0.45±0.2 | 100 |
| 3 /8 | 9.5 | 9.5 | 4.8 | 0.90±0.30 | 0.45±0.2 | 50 |
| 1 /2 | 12.7 | 12.7 | 6.4 | 0.95±0.40 | 0.45±0.2 | 1.22 OR 25M/Roll |
| 5/8 | 15.9 | 15.9 | 7.9 | 0.95±0.40 | 0.45±0.2 | 1.22 OR 25M/Roll |
| 3 /4 | 19.1 | 19.1 | 9.5 | 1.00±0.40 | 0.45±0.2 | 1.22 OR 25M/Roll |
| 1 | 25.4 | 25.4 | 12.7 | 1.10±0.40 | 0.50±0.2 | 1.22 OR 25M/Roll |
| 11/4 | 31.8 | 31.8 | 15 | 1.15±0.40 | 0.50±0.2 | 1.22 OR 25M/Roll |
| 11/2 | 38.1 | 38.1 | 19 | 1.25±0.40 | 0.50±0.2 | 1.22 OR 25M/Roll |
| 1/3/4 | 44.5 | 44.5 | 22 | 1.35±0.40 | 0.55±0.2 | 1.22 OR 25M/Roll |
| 2 | 50.8 | 50.8 | 25.4 | 1.50±0.40 | 0.60±0.2 | 1.22 OR 25M/Roll |
The Dual Wall Heat Shrink Tubing is ideal for insulating large-diameter cables, offering a strong, uniform seal for power terminations and splices. With a thick polyolefin outer layer for impact and UV resistance, and an adhesive lining for moisture protection, the Dual Wall Heat Shrink Tubing ensures reliable performance in harsh or submerged environments.
This heat shrink tubing is ideal for automotive and marine wire harnesses, wire splices, breakouts, and connector-to-cable transitions.
The tubing is made from durable polyolefin, providing excellent insulation and protection.
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Kandivali Co-Op Industrial Est. Ltd., Kandivali (W), Mumbai – 400067,
India.
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