SUMITUBE™ W
CatalogNo.803
[Dual wall heat-shrinkable tubing with meltable liner]
■ Dual wall structure using two concentric tubings
■ Effective filling for large gaps and voids
Applications
■ Insulation, protection and reinforcement for termination and joints of electric wire
■ Corrosion protection of pipes or bimetallic joints
Basic Properties
| Category | Heat shrink tubing |
|---|---|
| Material |
Outer : Irradiated cross-linked flexible polyolefin Inner : Meltable polyolefin |
| Flammability | Non Flame Retarded |
| Shrink temperature | min. 115℃ |
| Shrink ratio | min. 60% |
| Longitudinal change | min. -15% |
| Continuous operating temperature | -55 to 105℃ |
| Specifications/Approvals | SFP standard (RE4-1080) |
| Marking on Surface | ― |
| Available colors | Black (Inner: Gray), Clear (Inner: Clear) |
| Flexibility | Flexible |
| Environmental Compliance | RoHS,ELV |
| Industry | Construction machinery,Industrial machinery,Electronics |
Oil/Chemical resistance (room temperature)
| Gasoline | Gas oil | Lubricant | Alcohol | Acid | Alkali |
|---|---|---|---|---|---|
| △ | △ | △ | ○ | ○ | ○ |
◎：Very good ○：Good △：Not applicable in some cases
| Properties | Items | Requirements | Typical Values * |
|---|---|---|---|
| Mechanical | Tensile strength Elongation Specific gravity Hardness (Shore D) |
min. 10.4MPa min. 200% ― ― |
13.8MPa 475% 0.94 42 |
| Electrical | Dielectric withstand Volume resistivity |
AC2.5kV x 60 sec., no breakdown min. 1.0 x 1014Ω・cm |
Pass 1.7 x 1016Ω・cm |
| Chemical | Water absorption Flammability |
23℃ x 24 hours, max. 0.30% Flammable |
0.06% ― |
Sizes
