The Dual Wall Heat Shrink Tube is a high-quality product designed for reliable insulation and electrical performance in low voltage (LV) and medium voltage (MV) cable joints. Engineered for demanding applications, this tube combines robust materials and precise functionality to ensure exceptional performance in electrical insulation and protection.
This Dual Wall Heat Shrink Tube is ideal for electrical professionals working on MV cable systems. It provides reliable insulation for cable joints, making it a preferred choice for installations requiring durability and performance under high voltage.
| Property | Test method | Standard | Typical Performance |
|---|---|---|---|
| Tensile strength(Mpa) | ASTM D2671 | ≥ 10.4 | 12.68 |
| Elongation(%) | ASTM D2671 | ≥ 200 | 448.72 |
| Tensile strength after aging(Mpa) | UL224 158 ℃X168hr | ≥ 7.3 | 11.45 |
| Elongation after aging (%) | UL224 158 ℃X168hr | ≥ 100 | 398.41 |
| Flammability | ASTM D 2671B | Pass | Pass |
| Dielectric strength(kV/mm) | IEC 60243 | ≥ 15 | 18.25 |
| Volume resistivity( Ω.cm) | IEC 60093 | ≥ 1X1014 | 1.86 X1014 |
| Adhesive | |||
| Property | Test method | Standard | |
| Water Absorption | ASTM D570 | ＜ 0.2% | |
| Softening Point( ℃) | ASTM E28 | 95±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 |
| 5/32 | 4 | 4 | 1 | 1.05±0.30 | 0.50±0.30 | 200 |
| 1/4 | 6 | 6 | 1.5 | 1.15±0.30 | 0.50±0.30 | 100 |
| 5/16 | 8 | 8 | 2 | 1.55±0.30 | 0.60±0.30 | 50 |
| 1 /2 | 12 | 12 | 3 | 1.75±0.30 | 0.60±0.30 | 1.22 OR 25M/Roll |
| 5 /8 | 16 | 16 | 4 | 2.00±0.30 | 0.70±0.30 | 1.22 OR 25M/Roll |
| 25/32 | 20 | 20 | 5 | 2.30±0.40 | 0.70±0.30 | 1.22 OR 25M/Roll |
| 1 | 24 | 24 | 6 | 2.60±0.40 | 0.75±0.30 | 1.22 OR 25M/Roll |
| 1-1/4 | 32 | 32 | 8 | 3.00±0.50 | 0.90±0.30 | 1.22 OR 25M/Roll |
| 2 | 52 | 52 | 13 | 3.35±0.50 | 0.95±0.30 | 1.22 OR 25M/Roll |
Features –
● 4:1 shrink ratio
● Superior sealing against water, moisture or other contaminants
● Ideal for connector sealing covering large diameter differences
● Inner adhesive bonds to plastics, steel and polyethylene
● Continuous operating temperature:-45℃-125℃
● Fully shrink temperature:≥125℃
Application –
Electrical applications, including automotive and marine wire
harness, wire splices, breakouts, and connector-to-cable transitions
