DWTFR 4X Mil Spec Polyolefin Dual Wall With Meltable Liner
DWT(FR) is flexible, flame-retardant polyolefin heat shrink dual-wall tubing. It is special designed for automotive wire harnesses and features good mechanical strength, sealing, oil-resistance and insulation properties. CYG-DWT(FR) is widely used for all kinds of automotive wire harnesses, and is especially useful in harsh environments or where special protection is required.
| Specifications |
Item |
Specifications |
Shrink Temperature(°C) |
100--150 |
Operating Temperature Range(°C) |
-55—135 |
Tensile Strength (Mpa) |
≥10.4 |
Elongation at Break (%) |
≥200 |
Radial Shrinking Ratio (%) |
≥50 |
Longitudinal Change (%) |
≤10 |
Aging in Circulating-Air Oven |
158.0±1.0°C, 168hrs |
After Aging |
Tensile Strength (Mpa) |
≥7.3 |
Elongation at break(%) |
≥100 |
Dielectric Strength at 1min, AC2500V |
No breakdown |
Volume Resistance (Ω cm) |
≥1013 |
Flammability |
VW-1 |
Water Absorption (%) |
Less than 0.4% |
Fluid Resistance |
Excellent |
(Copper Corrosion) |
(No Corrosion) |
Softening Point of meltable Liner(°C) |
120±5 |
Peel Strength of Meltable Liner(N/25mm) |
>80 |
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Inside diameter (mm) |
Wall after recovery |
| Size (Inches) |
ID (mm) |
ID (mm) |
Total wall |
Min. adhesive wall |
| 5/16" |
≥ 7.6 |
≤1.65 |
1.5±0.3 |
0.7 |
| 3/8" |
≥ 9.0 |
≤2.30 |
1.5±0.4 |
0.7 |
| 7/16" |
≥ 11.6 |
≤2.54 |
2.3±0.4 |
1.20 |
| 11/16" |
≥ 17.8 |
≤4.45 |
2.5±0.4 |
1.2 |
