Heat Shrinkable Tube For EV Busbar
Protection For EV Busbar Heat Shrinkable Tube
Provides high resistance to tracking and arching and used to enhance the insulation properties of busbar in switchgear and substation. Isolation and Protection for EV Laminated busbar.
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FEATURES
• Shrinkage ratio: 2:1
• Corrosion resistance and flame retardant
• Reliable physical, chemical and electrical property
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TYPICAL APPLICATIONS
Material data: Polyolefin
Operating temperature: -55˚C~125˚C
Minimum shrink temperature: 70˚C
Minimum fully recovery temperature: 110˚C
Standard color: Orange
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TECHNICAL DATA
| Property | Test method | Test result |
| Tensile Strength | ASTM D 2671 | ≥10.4 MPa |
| Elongation at break | ASTM D 2671 | ≥400% |
| Tensile strength after aging (158˚C /168hrs) | ASTM D 2671 | ≥10.2 MPa |
| Elongation after aging (158˚C /168hrs) | ASTM D 2671 | ≥300% |
| Low temperature brittleness | ASTM D 2671 | No cracking |
| Flame retardant | UL94-V0/UL224 VW-1 | Pass |
| Volume resistivity | ASTM D 876 | ≥1.0×1014Ω.cm |
| Breakdown strength | ASTM D 150 | ≥20kV/mm |
| Withstand voltage (AC/2500V,60S) | ASTM D 2671 | No cracking |
| Copper corrosion | UL224 | Pass |
| Hardness (Shore hardness tester A) | GB 2411 | <95A |
| Water absorption | ASTM D 570 | 0.15% |
| Longitudinal shrinkage | ASTM D 2671 | ±10% |
| Partial wall rate | ASTM D 2671 | <30% |
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DIMENSIONS
| Part no. | Norminal size(mm) | As supplied(mm) | After recovery(mm) | Standard length (meter) | |
| I.D(D) (min) | I.D(d) (max) | W.T (w) | |||
| BBEV-0200 | 20.0 | 20 | 10.0 | 1.30±0.30 | 50 |
| BBEV-0220 | 22.0 | 22 | 11.0 | 1.30±0.30 | 50 |
| BBEV-0250 | 25.0 | 25 | 12.5 | 1.30±0.30 | 50 |
| BBEV-0300 | 30.0 | 30 | 15.0 | 1.30±0.30 | 50 |
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