Sumitube™ W3NH - Heat-shrinkable tubing
Halogen Free, Flame Retardant Polyolefin Tubing, 3 : 1 Shrink Ratio
ASTM /
BS 6853 /
BSS 7239 /
E 1042. A6 /
EN45545-2 /
Applications
- Wire Protection
- Fluid Resistance
- Strain Relief
- Abrasion Protection
Product Overview
Category
Heat-shrinkable tubing
Material
Halogen free, flame retardant flexible polyolefin
Shrink ratio
3 : 1
Shrink temperature
150℃
Continuous operating temperature
-40℃ up to 105℃
Available colors
Black
Flammability
Flame Retarded
Printed surface text
Industry
Rail/Transit, Environmental Sealing
Environmental compliance
RoHS
Specifications / Approvals
ASTM, BS 6853, BSS 7239 Boeing Specification Support Standard, Japanese Standard for railway vehicle material, LUL: London Underground Limited Eng. Stand. E 1042. A6, SAE-AMS-DTL-23053, EN45545-2
Other
Basic Properties
| Property (Units) | Test Method | Requirement |
|---|---|---|
| Physical: | ||
| Longitudinal change | SAE-AMS-DTL-23053 | -15%, 3% |
| Tensile strength | ASTM D638 | min. 10,4MPa |
| Elongation at break | ASTM D638 | min. 200% |
| Secant modulus | ASTM D882 | max. 173MPa |
| Electrical: | ||
| Voltage rating | 600V | |
| Volume resistivity | ASTM D876 | min. 1012 Ω·cm |
| Dielectric strength | ASTM D876 | min. 19,7kV/mm |
| Chemical: | ||
| Halogen content | NFX-70-100. BS 6853 | Zero |
| Flammability | Japanese Railway | Flame retardant |
| Water absorption | ASTM D570 | max. 1,0% |
| Flame spread index | ASTM E162 | max. 25 |
| Flammability-oxygen index | BS EN ISO 4589-2 / BS 6853 | min. 34 |
| Flammability temperature index | BS 6853 / LUL E1042 | min. 300℃ / min. 350℃ |
| Smoke density | EN 45545-2 | max. 150 |
| Oxygen-index | EN 45545-2 | min. 32 |
| Toxic fume emission | EN 45545-2 | max. 0,75 |
| Toxic gas generation | BSS 7239 | ppm limit (6 gases) |
*For reference use only
Sizes
| Type | Inside Diameter (As Supplied) | Inside Diameter (After Recovery) | Wall Thickness Nom (After Recovery) |
|---|---|---|---|
| (mm) | (mm) | (mm) | |
| 3/1 | 3.20 | 1.00 | 0.95 |
| 4.5/1.5 | 4.80 | 1.50 | 1.10 |
| 6/2 | 6.40 | 2.00 | 1.20 |
| 9/3 | 9.50 | 3.00 | 1.30 |
| 12/4 | 12.7 | 4.00 | 1.40 |
| 19/6 | 19.1 | 6.00 | 1.80 |
| 24/8 | 24.0 | 8.00 | 2.50 |
| 40/13 | 40.0 | 13.0 | 2.50 |
| 50/19 | 50.0 | 19.0 | 4.00 |
| 75/25 | 75.0 | 25.0 | 3.00 |
| 120/45 | 120.0 | 45.0 | 4.00 |
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