Dual Wall Heat Shrink Tubing
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Dual Wall Heat Shrink Tubing, SBRS-(4X)GRF
Model: SBRS-(4X)GRF
Highly flame retardant, semi-rigid, cross-linked polyolefin heat shrinkable tubing
SBRS-(4X)GRF dual wall heat shrink tubing is highly flame retardant heat shrinkable tubing manufactured with semi-rigid polyolefin construction with an internal layer of adhesive, offering fuse link and splice protection against fluids, moisture and abrasion.
Features
- 3:1 & 4:1 shrink ratio to cover varying splice configurations and substrate profiles
- Jacket and adhesive are exceptionally flame retardant
- Economical way for environmental sealing and protection of automotive fuse-links, electrical splices and terminals
- High resistance to common automotive fluids and solvents
- Semi-rigid and mechanically tough outer jacket provides added strain relief and excellent abrasion protection
- Thick adhesive liner forms an effective barrier against fluids and moisture penetration
- Continuous operating temperature: -45℃～125℃
- Fully shrink temperature: ≥125℃
| Size | Expanded | After Recovery | Standard Package (m/pc) | |||
| inch | mm | Internal Diameter (mm) | Internal Diameter (mm) | Total Wall Thickness (mm) | Adhesive Thickness (mm) | |
| 2/13 | 4 | 4.0 | 0.95 | 1.40±0.30 | 0.60±0.20 | 1.22 |
| 1/4 | 6 | 6.0 | 1.27 | 1.70±0.30 | 0.80±0.20 | 1.22 |
| 5/16 | 8 | 8.0 | 1.65 | 2.00±0.30 | 0.95±0.20 | 1.22 |
| 10 | 10.0 | 2.00 | 2.30±0.40 | 1.10±0.20 | 1.22 | |
| 1/ 2 | 12 | 12.0 | 2.41 | 2.45±0.40 | 1.20±0.20 | 1.22 |
| Property | Test Method | Standard Performance | Typical Performance |
| Tensile strength (MPa) | ASTMD 2671 | ≥10.4 | 11.5 |
| Elongation (%) | ASTMD 2671 | ≥300 | 450 |
| Tensile strength after aging (MPa) | UL224 158℃×168hr | ≥7.3 | 8.5 |
| Elongation after aging (%) | UL224 158℃×168hr | ≥200 | 350 |
| Dielectric strength (kV/mm) | IEC 60243 | ≥15 | 17.5 |
| Volume resistivity (Ω.cm) | IEC 60093 | ≥1×1014 | 2.5×1014 |
| Property | Test Method | Standard Performance |
| Water absorption | ASTM D570 | ＜0.2% |
| Softening point (℃) | ASTM E28 | 95±5 |
| Peel strength (PE) | ASTM D 1000 | 120N/25mm |
| Peel strength (AL) | ASTM D 1000 | 80N/25mm |
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