Heat Shrink
3:1 and 4:1 Eco-Friendly Dual-Wall Tubing
High-ratio adhesive lined tubing for waterproofing, corrosion protection, insulation and sealing of harnesses, marine cables and metal pipes.
Heat Shrink
Typical technical parameters
- Material
- Flame-retardant polyolefin outer layer with hot-melt adhesive inner layer
- Temperature range
- -45 C to 125 C
- Voltage / insulation
- Electrical insulation protection, dielectric strength >=15 kV/mm
- Size range
- 3:1 and 4:1 high shrink ratio series
- Structure
- Eco-friendly dual-wall adhesive-lined heat shrink tubing
| Property | Test method | Requirement |
|---|---|---|
| Tensile strength | ASTM D2671 | >=10.4 MPa |
| Elongation at break | ASTM D2671 | >=200% |
| Aged tensile strength | 158 C x 168 h | >=7.3 MPa |
| Aged elongation | 158 C x 168 h | >=100% |
| Longitudinal dimensional change | ASTM D2671 | -8% to +8% |
| Flame retardancy | ASTM D2671B | Pass |
| Dielectric strength | IEC60243 | >=15 kV/mm |
| Volume resistivity | IEC60093 | >=10^14 ohm-cm |
| Softening point | ASTM E28 | 95±5 C |
| Water absorption | ASTM D570 | <0.2% |
| Peel strength PE | ASTM D1000 | >=120 N/25 mm |
| Peel strength Al | ASTM D1000 | >=80 N/25 mm |
| 4:1 series | As supplied ID | Recovered ID | Wall after recovery | Adhesive wall | Packing |
|---|---|---|---|---|---|
| 2/13 | 4.0 mm | 1.0 mm | 1.05±0.30 | 0.50±0.30 | 200 m |
| 1/4 | 6.0 mm | 1.5 mm | 1.15±0.30 | 0.50±0.30 | 100 m |
| 1/2 | 12.0 mm | 3.0 mm | 1.75±0.30 | 0.60±0.30 | 1.22 m |
| 1 | 24.0 mm | 6.0 mm | 2.60±0.40 | 0.75±0.30 | 1.22 m |
| 2 | 52.0 mm | 13.0 mm | 3.35±0.50 | 0.95±0.30 | 1.22 m |
| 3:1 series | As supplied ID | Recovered ID | Wall after recovery | Adhesive wall | Packing |
|---|---|---|---|---|---|
| 3/32 | 2.4 mm | 0.8 mm | 0.80±0.30 | 0.40±0.20 | 200 m |
| 1/4 | 6.4 mm | 2.2 mm | 1.25±0.30 | 0.45±0.20 | 100 m |
| 1/2 | 12.7 mm | 4.2 mm | 1.65±0.30 | 0.50±0.20 | 1.22 m |
| 1 | 25.4 mm | 8.5 mm | 2.00±0.40 | 0.60±0.30 | 1.22 m |
| 2 | 50.0 mm | 17.0 mm | 2.75±0.40 | 0.80±0.30 | 1.22 m |
| 5 | 125.0 mm | 42.0 mm | 3.10±0.50 | 1.10±0.40 | 1.22 m |
Note: Values are typical reference ranges. Final specification can be confirmed by sample testing, drawings and customer standards.
Key features
- UL224, RoHS compliant
- Shrink ratio 3:1 / 4:1, onset shrink >=70 C, full recovery >=125 C
- High shrink ratio, flame-retardant outer layer, UV resistance
Typical applications
- Wire harness sealing and insulation
- Marine wires and cables
- Metal pipes requiring waterproof, moisture-proof and anti-corrosion protection