Double-wall heat-shrinkable tubes for automotive wire harnesses
Product Description
Product introduction
Semi-rigid polyolefin double-wall heat-shrinkable tubes, high shrinkage rate, flame retardant, suitable for waterproof sealing and insulation protection of automotive wire harnesses for wire joints, terminals and components; customized lengths are available.
Product characteristics
Running temperature : -40℃~130℃
Minimum full-shrinkage temperature: 135 ℃
Environmental friendly, ELV and RoHS compliant
Shrinkage ratio 4:1
Color : Black
Technical parameter
| property | Detection method | demand |
|
Heat-shrinkable tube performance |
||
|
Longitudinal length change |
ASTM D2671 | ≥-10% |
|
Tensile strength |
ASTM D2671 | ≥10.3MPa |
|
Elongation at break |
ASTM D2671 | ≥250% |
|
2% secant modulus |
ASTM D2671 | ≥137MPa |
|
Thermal shock (225℃/4h) |
ASTM D2671 |
no flow, no cracking after thermal shock (outer layer) |
|
Dynamic cutting |
ASTM D3032 | ≥13.6kg |
|
Volume resistivity |
ASTM D2671 | ≥1.0×1014Ω.cm |
|
Flame retardancy (outer layer only) |
ISO 6722-1 |
Self-extinguishing within 30S |
|
Joint performance |
||
|
Leakage current of initial sample |
Q/DLH 0006 | ≤0.25μA |
|
After repeated bending at room temperature Current leakage |
Q/DLH 0006 |
≤0.25μA |
|
After thermal shock Current leakage |
Q/DLH 0006 |
≤0.25μA |
|
Low temperature flexibility Withstand voltage |
Q/DLH 0006 1kV×1 minutes |
No breakdown |
|
After solvent resistance Current leakage Swelling ratio |
Q/DLH 0006 |
≤0.25μA ≤50% |
Specification and size
| specification |
As-Supplied size(mm) |
After-shrinkage size (mm) |
||
| A1 |
Inner diamete（min） |
Inner diamete（max） |
Wall thickness (reference) |
Adhesive layer thickness (reference) |
| 4.0 | 4.0 | 1.00 | 1.00 | 0.50 |
| 5.75 | 5.75 | 1.25 | 1.20 | 0.60 |
| 7.5 | 7.5 | 1.65 | 1.60 | 0.80 |
| 9.0 | 9.0 | 2.30 | 1.80 | 0.90 |
| 11.0 | 11.0 | 2.40 | 2.00 | 1.00 |
| 14.0 | 14.0 | 3.00 | 2.20 | 1.20 |
| 18.3 | 18.3 | 4.45 | 2.40 | 1.40 |
Product comparison
Tyco-Raychem: ES2000
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