CB-DWT(1000) is adhesive-lined, flexible, flame-retardant polyolefin heat-shrinkable dual wall tubing, This tubing has good mechanical strength, oil-resistance and medical resistance where is used for bad environment and special protection, they are widely used jacking wire bundles and harness. Standard:UL224 and SAE-AMS-DTL25053/4.
Specification:
Item |
Test methods |
Specifications |
Typical value |
Operating temperature |
|
-55°C~+135°C |
|
Shrink temperature |
|
100 ~140°C |
|
Shrink rate |
|
2:1 |
|
Tensile strength |
ASTM D638 |
≥10.4MPa |
14.1MPa *1 |
Ultimate elongation (%) |
ASTM D638 |
≥200% |
329% |
2% scan modulus |
ASTM D882 |
≤172MPa |
153MPa |
Heat shock |
250±3°C,4hrs |
No cracking, dripping, flowing |
Pass |
Cold shock |
ASTM D745,-55±2°C |
No cracking |
Pass |
Dielectric strength |
ASTM D2671 |
≥19.7kv/mm |
26kv/mm |
Volume resistivity |
ASTM D876 |
≥1×1012 |
3.6×1013 |
Aging |
175±2°C,168hrs |
Adhesive, no dripping |
Pass |
Oil resistant |
24±3°C,24hrs |
||
Tensile strength after aging |
ASTM D638 |
≥6.9MPa |
9.5MPa |
Dielectric strength after aging |
ASTM D2671 |
≥15.8kv/mm |
24kv/mm |
Size | |||||
2:1 | |||||
Size (mm) |
Size (inch) |
Min as Supplied | Max. after recovery | Total Wall | Adhesive wall |
2.36 | 3/32 | 2.4 | 1.2 | 0.55±0.12 | 0.3 |
3.18 | 1/8" | 3.2 | 1.6 | 0.60±0.15 | 0.3 |
4.75 | 3/16" | 4.8 | 2.4 | 0.75±0.15 | 0.35 |
6.35 | 1/4" | 6.4 | 3.2 | 0.75±0.15 | 0.35 |
9.53 | 3/8" | 9.5 | 4.8 | 0.80±0.20 | 0.35 |
12.7 | 1/2" | 12.7 | 6.4 | 0.80±0.20 | 0.35 |
19.1 | 3/4" | 19.1 | 9.5 | 0.95±0.28 | 0.4 |
25.4 | 1" | 25.4 | 12.7 | 1.15±0.28 | 0.45 |
31.8 | 1-1/4" | 31.8 | 16 | 1.20±0.35 | 0.45 |
38.1 | 1-1/2" | 38.1 | 19.1 | 1.25±0.41 | 0.5 |
3:1 | |||||
Size (mm) |
Size (inch) |
Min as Supplied | Max. after recovery | Total Wall | Adhesive wall |
3 | 1/8" | 3.2 | 1.0 | 0.85±0.28 | 0.35 |
4.5 | 3/16" | 4.8 | 1.5 | 1.05±0.28 | 0.45 |
6 | 1/4" | 6.4 | 2.0 | 1.10±0.28 | 0.45 |
9 | 3/8" | 9.5 | 3.0 | 1.45±0.28 | 0.45 |
12 | 1/2" | 12.7 | 4.0 | 1.50±0.38 | 0.45 |
18 | 3/4" | 19.1 | 6.0 | 2.00±0.55 | 0.65 |
24 | 1" | 25.4 | 8.0 | 2.20±0.55 | 0.65 |
39 | 1-1/2" | 38.1 | 13.0 | 2.54±0.55 | 1 |