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Dual Wall Heat Shrink Tubing, SBRS-4X-G
Dual Wall Heat Shrink Tubing, SBRS-4X-G
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Model: SBRS-(4X)G
Adhesive-lined heat shrinkable polyolefin tubing
SBRS-(4X)G dual wall heat shrink tubing is adhesive-lined shrinkable polyolefin tubing with ability to provide corrosion protection and environmental sealing electrical insulation of wire splices, wire harness bundles, breakouts and connector-to-cable transitions in automotive and marine electrical applications.
FEATURES
- 4:1 shrink ratio
- Low longitudinal shrinkage
- Superior sealing against water, moisture or other contaminants
- Ideal for sealing and covering of connectors with large diameter differences
- Inner adhesive bonds to plastics, steel and polyethylene
- Flame retardant (outer jacket only)
- Continuous operating temperature: -45℃～125℃
- Fully shrink temperature: ≥125℃
TECHNICAL DATA
| Property | Test Method | Standard Performance | Typical Performance |
| Tensile strength (MPa) | ASTM D 2671 | ≥10.4 | 11.5 |
| Elongation (%) | ASTM D 2671 | ≥200 | 450 |
| Tensile strength after aging (MPa) | UL224 158℃×168hr | ≥7.3 | 8.5 |
| Elongation after aging (%) | UL224 158℃×168hr | ≥100 | 350 |
| Flammability | ASTM D 2671 B | Self-extinguish within 30s | Self-extinguish within 30s |
| Dielectric strength (kV/mm) | IEC 60243 | ≥15 | 17.5 |
| Volume resistivity (Ω.cm) | IEC 60093 | ≥1×1014 | 2.5×1014 |
ADHESIVE
| Property | Test Method | Standard Performance |
| Water absorption | ASTM D 570 | ＜0.2% |
| Softening point(℃) | ASTM E8 | 95 |
| Peel strength (PE) | ASTMD 1000 | 120N/25mm |
| Peel strength (AL) | ASTMD 1000 | 80N/25mm |
DIMENSIONS
| Size | Expanded | After Recovery | Standard Package | |||
| inch | mm | Internal Diameter (mm) | Internal Diameter (mm) | Total Wall Thickness (mm) | Adhesive Thickness (mm) | Spool Length (m/spool) |
| 5/32 | 4.0 | 4.0 | 1.0 | 1.00±0.15 | 0.40±0.15 | 200 |
| 1/4 | 6.0 | 6.0 | 1.5 | 1.10±0.15 | 0.40±0.15 | 100 |
| 5/16 | 8.0 | 8.0 | 2.0 | 1.50±0.15 | 0.50±0.15 | 50 |
| 1/2 | 12.0 | 12.0 | 3.0 | 1.70±0.15 | 0.50±0.15 | 1.22 or 25m/roll |
| 5/8 | 16.0 | 16.0 | 4.0 | 2.00±0.15 | 0.60±0.15 | 1.22 or 25m/roll |
| 25/32 | 20.0 | 20.0 | 5.0 | 2.30±0.25 | 0.60±0.15 | 1.22 or 25m/roll |
| 1 | 24.0 | 24.0 | 6.0 | 2.60±0.25 | 0.60±0.15 | 1.22 or 25m/roll |
| 1-1/4 | 32.0 | 32.0 | 8.0 | 3.00±0.30 | 0.70±0.15 | 1.22 or 25m/roll |
| 1-1/2 | 40.0 | 40.0 | 10.0 | 3.00±0.30 | 0.70±0.15 | 1.22 or 25m/roll |
| 2 | 52.0 | 52.0 | 13.0 | 3.30±0.30 | 0.70±0.15 | 1.22 or 25m/roll |
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