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 |
|---|---|---|
| Tensile Strength(MPa) | ASTM D2671 | ≥10.4 |
| Elongation(%) | ASTM D2671 | ≥200 |
| Tensile Strength after aging (MPa) | 158℃×168h | ≥7.3 |
| Elongation after aging(%) | 158℃×168h | ≥100 |
| Axial Rate Of Change (%) | ASTM D2671 | -8～+8 |
| Flammability | ASTM D2671 | Pass |
| Disruptive Strength(kV/mm) | IEC 60243 | ≥15 |
| Volume resistivity(Ω.cm) | IEC 60093 | ≥1014 |
| Adhesive | ||
| Property | Test Method | Standard |
| Water Absorption | ASTM D570 | ＜0.2% |
| Softening Point(℃) | ASTM E28 | 125±5 |
| Strength of pearing (PE) | ASTM D 1000 | 70N/25mm |
| Strength of pearing (Al) | ASTM D 1000 | 70N/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 |
| 3/32 | 2.4 | 2.4 | 0.8 | 0.80±0.30 | 0.40±0.00 | 200 |
| 1/8 | 3.2 | 3.2 | 1 | 0.90±0.30 | 0.40±0.20 | 200 |
| 3/16 | 4.8 | 4.8 | 1.6 | 1.05±0.30 | 0.40±0.20 | 100 |
| 1 /4 | 6.4 | 6.4 | 2.2 | 1.25±0.30 | 0.45±0.20 | 100 |
| 5 /16 | 7.9 | 7.9 | 2.7 | 1.35±0.15 | 0.45±0.20 | 100 |
| 3/8 | 9.5 | 9.5 | 3.2 | 1.45±0.30 | 0.50±0.20 | 50 |
| 1/2 | 12.7 | 12.7 | 4.2 | 1.65±0.30 | 0.50±0.20 | 1.22 |
| 5/8 | 15 | 15 | 5.2 | 1.80±0.30 | 0.55±0.30 | 1.22 |
| 3/4 | 19.1 | 19.1 | 6.3 | 1.95±0.30 | 0.60±0.30 | 1.22 |
Features –
● Minimum shrink temperature:70℃[194℉]
● Continuous operating temperature:-45℃to125℃[113℉to257℉]
● It can adapt to the high temperature 125℃ environment for a long time, and the hot melt adhesive will not be lost.
● Standard color: black(other colors can be customized)
Application –
Outer polyolefin is insulating and flame retardant material, the inner layer of hot melt adhesive can buffer mechanical strain and strong sealing
Material –
Cross-linked polyolefin and hot melt adhesive double layer
