CYG-BT(HF) 1T Low Voltage Heat Shrinkable Busbar Sleeving
Category: Heat Shrink Dual Wall Sleeving
Outer layer:irradiation crosslinking modified polyolefin
Shrinkage ratio2:1 2.5:1
Features:
• halogen-free environment, low smoke, the product complies "RoHS" environmental standards;
• has good insulation properties;
• Good flexibility;
• Minimum shrink temperature: 110 ℃;
Applications: This product is widely used in low voltage switch cabinet bus insulation protection, effectively prevent personal injury or death caused by live nude row; avoid small animals and conductor lap caused a short circuit, discharge failure occurs, to prevent corrosion, contamination, flashover occurrence, increase insulation margin, effectively shortening the distance between the stage, the pole distance, create favorable conditions for switchgear compact design.
| Specification | NW around shrink ratio | Dimension before shrinkage（mm） | Dimension after full contraction（mm） | Bus specification for rectangular / circular | |
|---|---|---|---|---|---|
| Diameter（mm） | Thickness（mm） | Diameter（mm） | |||
| BT 1T-20/10 | 20/10 | ≥20 | 1.2±0.2 | ≤10 | 20x3/Ф15 |
| BT 1T-25/12 | 25/12 | ≥25 | 1.2±0.2 | ≤12 | 25x3/Ф15 |
| BT 1T-30/15 | 30/15 | ≥30 | 1.2±0.2 | ≤15 | 30x3/Ф20 |
| BT 1T-40/20 | 40/20 | ≥40 | 1.3±0.2 | ≤20 | 40x4/Ф30 |
| BT 1T-50/25 | 50/25 | ≥50 | 1.3±0.2 | ≤25 | 50x5/Ф35 |
| BT 1T-60/30 | 60/30 | ≥60 | 1.3±0.2 | ≤30 | 60x6/Ф40 |
| BT 1T-80/40 | 80/40 | ≥80 | 1.3±0.2 | ≤40 | 80x8/Ф60 |
| BT 1T-100/50 | 100/50 | ≥100 | 1.4±0.3 | ≤50 | 100x10/Ф70 |
| BT 1T-120/60 | 120/60 | ≥120 | 1.4±0.3 | ≤60 | 120x10/Ф85 |
| BT 1T-150/75 | 150/75 | ≥150 | 1.4±0.3 | ≤75 | 150x10/Ф115 |
| Item | Test method | Indicator | Values |
| Tensile strength | ASTM D2671 | ≥10MPa | 15.4MPa |
| Elongation at break | ASTM D2671 | ≥450% | 583% |
| Tensile Strength After Aging | ASTM D2671/136°C/168h | ≥10MPa | 14.2MPa |
| After aging the tensile elongation at break | ASTM D2671/136°C/168h | ≥400% | 541% |
| Thermal Shock | 200°C±3°C/4h | Without dripping, flowing or crack | Qualified |
| Low temperature flexibility | ASTM D2671/-40°C/4h | No cracking | No cracking |
| Breakdown strength | ASTM D2671 | ≥19kV/mm | ≥25.7kV/mm |
| Volume resistivity | ASTM D876 | ≥1.0x1014Ω· cm | ≥5.3x1014Ω· cm |
| Water absorption | ASTM D570A | ≤0.5% | 0.23% |
