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Single wall heat shrink tube
The E-FLEX® 2:1 Heat Shrink Tubing is crafted from a specially formulated, cross-linked polyolefin material that balances rugged durability with exceptional flexibility. This heat-responsive tubing is engineered to provide a secure, skin-tight fit over wires and components, offering reliable protection against environmental hazards. Whether used for electrical insulation, wire bundling, or identification, it delivers a clean and professional finish that meets the rigorous demands of home, commercial, industrial, and military environments.
What's Special about Single wall heat shrink tube?
- Durable & Flexible Construction: Made from high-quality cross-linked polyolefin, providing a resilient protective layer that remains flexible even after recovery.
- Efficient Shrink Ratio: Features a standard 2:1 recovery ratio, allowing for quick and consistent installation over various wire diameters and connectors.
- Flame Retardant Safety: Engineered to meet stringent flammability ratings, including VW-1 standards, ensuring superior fire safety in critical electrical setups.
- High Dielectric Strength: Provides excellent electrical insulation and voltage resistance, effectively safeguarding internal connections from shorts and leakage.
- Thermal Stability: Designed to operate reliably across a broad temperature spectrum and withstand significant thermal stress without losing its protective properties.
- Strain Relief & Mechanical Protection: Reinforces wire terminations and joints, reducing the risk of fatigue or damage caused by bending and pulling.
- Environmental Compliance: Fully compliant with global environmental standards, including RoHS and REACH, ensuring a safe and halogen-free solution.
Physical Properties
| Physical Properties | Details |
| Material | Polyolefin |
| Shrink Ratio | 2:1 |
| Working Temperature | -45°C ~ +125°C |
| Start Shrink Temperature | 70°C |
| Fully Recovery Temperature | 125°C |
| Storage Temperature | ≤60°C |
| Longitudinal Shrinkage | ±8% |
| Flammability | VW - 1 |
| Tensile strength | ≥15KV/mm,Refers to IEC 60243 |
| Withstand Voltage Class | 600V |
| Standard Color | Black |
| Serviceable Tool | Heat gun/tunnel furnace |
Technical Data
| Property | Test Method | Typical Performance |
| Tensile Strength(MPa) | ASTM D 2671 | ≥10.4 |
| Ultimate elongation(%) | ASTM D 2671 | ≥200 |
| Tensile strength after heat aged (Mpa) | 158℃X168h | ≥7.3 |
| Ultimate elongation after heat aged (%) | 158℃X168h | ≥100 |
| Longitudinal change | ASTM D 2671 | -5% ~ +5% |
| Flammability | ASTM D 2671 C method | VW-1 |
| Dielectric strength (kV/mm) | ASTM D 149 | ≥15 |
| Volume resistivity (Ω·cm) | ASTM D 876 | ≥10¹⁴ |
Specification
| Part No | Size | Unshrink Size (mm) | After Shrunk Size(mm) | Packing Length (m/spool) | ||
| D | W.T | d | w.t | |||
| HST-ST2-1.0-BK | Φ1.0 | 1.50±0.30 | 0.20±0.05 | ≦0.65 | 0.36±0.10 | 400 |
| HST-ST2-1.5-BK | Φ1.5 | 2.00±0.30 | 0.20±0.05 | ≦0.85 | 0.36±0.10 | 400 |
| HST-ST2-2.0-BK | Φ2.0 | 2.50±0.30 | 0.23±0.05 | ≦1.00 | 0.45±0.10 | 400 |
| HST-ST2-2.5-BK | Φ2.5 | 3.00±0.30 | 0.23±0.05 | ≦1.30 | 0.45±0.10 | 400 |
| HST-ST2-3.0-BK | Φ3.0 | 3.50±0.30 | 0.23±0.08 | ≦1.50 | 0.49±0.10 | 400 |
| HST-ST2-3.5-BK | Φ3.5 | 4.00±0.30 | 0.23±0.08 | ≦1.80 | 0.42±0.10 | 400 |
| HST-ST2-4.0-BK | Φ4.0 | 4.60±0.30 | 0.25±0.08 | ≦2.00 | 0.45±0.10 | 400 |
| HST-ST2-4.5-BK | Φ4.5 | 5.00±0.30 | 0.25±0.08 | ≦2.30 | 0.50±0.10 | 400 |
| HST-ST2-5.0-BK | Φ5.0 | 5.50±0.30 | 0.25±0.08 | ≦2.50 | 0.50±0.10 | 200 |
| HST-ST2-5.5-BK | Φ5.5 | 6.00±0.30 | 0.25±0.08 | ≦2.75 | 0.50±0.10 | 200 |
| HST-ST2-6.0-BK | Φ6.0 | 6.50±0.30 | 0.28±0.10 | ≦3.00 | 0.55±0.10 | 200 |
| HST-ST2-6.5-BK | Φ6.5 | 7.00±0.35 | 0.28±0.10 | ≦3.30 | 0.55±0.10 | 100 |
| HST-ST2-7.0-BK | Φ7.0 | 7.60±0.35 | 0.28±0.10 | ≦3.50 | 0.55±0.10 | 100 |
| HST-ST2-8.0-BK | Φ8.0 | 8.60±0.35 | 0.28±0.10 | ≦4.00 | 0.60±0.10 | 100 |
| HST-ST2-9.0-BK | Φ9.0 | 9.60±0.40 | 0.30±0.10 | ≦4.50 | 0.60±0.10 | 100 |
| HST-ST2-10.0-BK | Φ10 | 10.60±0.40 | 0.30±0.10 | ≦5.00 | 0.60±0.10 | 100 |
| HST-ST2-11.0-BK | Φ11 | 11.70±0.50 | 0.30±0.10 | ≦5.50 | 0.60±0.10 | 100 |
| HST-ST2-12.0-BK | Φ12 | 12.70±0.50 | 0.30±0.10 | ≦6.00 | 0.60±0.10 | 100 |
| HST-ST2-13.0-BK | Φ13 | 13.70±0.50 | 0.35±0.12 | ≦6.50 | 0.65±0.10 | 100 |
| HST-ST2-14.0-BK | Φ14 | 14.70±0.50 | 0.35±0.12 | ≦7.00 | 0.65±0.10 | 100 |
| HST-ST2-15.0-BK | Φ15 | 15.70±0.50 | 0.40±0.12 | ≦7.50 | 0.65±0.10 | 100 |
| HST-ST2-16.0-BK | Φ16 | 16.70±0.50 | 0.40±0.12 | ≦8.00 | 0.65±0.10 | 100 |
| HST-ST2-17.0-BK | Φ17 | 17.70±0.50 | 0.40±0.12 | ≦8.50 | 0.65±0.10 | 100 |
| HST-ST2-18.0-BK | Φ18 | 19.00±0.70 | 0.40±0.12 | ≦9.00 | 0.75±0.10 | 100 |
| HST-ST2-19.0-BK | Φ19 | 20.00±0.70 | 0.40±0.12 | ≦9.50 | 0.75±0.10 | 100 |
| HST-ST2-20.0-BK | Φ20 | 21.00±0.70 | 0.40±0.12 | ≦10.0 | 0.75±0.10 | 100 |
| HST-ST2-22.0-BK | Φ22 | 23.00±0.70 | 0.40±0.12 | ≦11.0 | 0.75±0.10 | 100 |
| HST-ST2-25.0-BK | Φ25 | 26.00±0.70 | 0.50±0.12 | ≦12.5 | 0.85±0.15 | 50 |
| HST-ST2-28.0-BK | Φ28 | 29.00±0.80 | 0.50±0.12 | ≦14.0 | 0.85±0.15 | 50 |
| HST-ST2-30.0-BK | Φ30 | 31.50±1.30 | 0.50±0.12 | ≦15.0 | 0.90±0.15 | 50 |
| HST-ST2-35.0-BK | Φ35 | 36.50±1.30 | 0.50±0.15 | ≦17.5 | 1.05±0.15 | 50 |
| HST-ST2-40.0-BK | Φ40 | 41.50±1.30 | 0.50±0.15 | ≦20.0 | 1.05±0.15 | 50 |
| HST-ST2-45.0-BK | Φ45 | 46.50±1.30 | 0.55±0.15 | ≦22.5 | 1.05±0.15 | 50 |
| HST-ST2-50.0-BK | Φ50 | ≦50.00 | 0.55±0.15 | ≦25.0 | 1.05±0.15 | 25 |
| HST-ST2-60.0-BK | Φ60 | ≦60.00 | 0.65±0.15 | ≦30.0 | 1.25±0.15 | 25 |
| HST-ST2-70.0-BK | Φ70 | ≦70.00 | 0.65±0.15 | ≦35.0 | 1.25±0.20 | 25 |
| HST-ST2-80.0-BK | Φ80 | ≦80.00 | 0.65±0.15 | ≦40.0 | 1.35±0.20 | 25 |
| HST-ST2-90.0-BK | Φ90 | ≦90.00 | 0.65±0.15 | ≦45.0 | 1.35±0.25 | 25 |
| HST-ST2-100.0-BK | Φ100 | ≦100.00 | 0.65±0.25 | ≦50.0 | 1.35±0.25 | 25 |
Application
