SUMITUBE™ SA3
CatalogNo.000
[Dual wall, flame-retarded heat-shrinkable tubing with meltable adhesive for harness joints of motor vehicles]
■ High shrink ratio and eff ective for waterproofing of multiple harness joints and splices
■ Recovered tube remains in position at elevated temperatures
■ Flame-retarded (PBDE/PBB-free)
■ Abrasion resistant
Applications
■ Waterproof sealing, insulation and reinforcement for harness joints of motor vehicles/electronic devices
■ Waterproof sealing of irregular-shaped components or devices used in automotive environments
Basic Properties
| Category | Heat shrink tubing |
|---|---|
| Material | Outer : Irradiated cross-linked semi-rigid flame-retarded polyolefin
Inner : Meltable adhesive |
| Flammability | Flame Retarded |
| Shrink temperature | min. 135℃ |
| Shrink ratio | min. 75% |
| Longitudinal change | min. -10% |
| Continuous operating temperature | -40 to 130℃ |
| Specifications/Approvals | SFP standard (R4-F307) |
| Marking on Surface | See size table |
| Available colors | Black |
| Flexibility | Semi-rigid |
| Environmental Compliance | RoHS,ELV |
| Industry | Automotive,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*2 Elongation Heat shock Heat resistance Secant modulus Dynamic cut-through |
min. 10.4MPa min. 300% 225℃ x 4 hours, no crack 130℃ x 7 days, no crack min. 150MPa min. 134N |
25.8MPa 550% Pass Pass 463MPa 529N |
| Electrical | Dielectric strength Volume resistivity |
min. 15kV/mm min. 1.0 x 1012Ω・cm |
20.6kV/mm 9.6 x 1015Ω・cm |
| Chemical | Flammability | SAE J1128, self-extinguish within 70 sec., | Pass |
| Splice performance (on representative splice configurations) |
Testing to SFP internal standard ・Heat aging: 125℃ x 1008 hours ・Heat cycle: 125 cycles, 125℃ (30 minutes) to -40℃ (30 minutes) ・Fluid resistance: 2-hour immersion in: brake fluid, engine coolant, ASTM Reference Oil #3, automatic transmission fluid |
Pass Pass Pass |
Sizes
