High-Voltage Resistant Busbar Heat Shrink Tubing
High-Voltage Resistant Busbar Heat Shrink Tubing
Application
This product is designed for insulation protection of 1kV, 10kV, 20kV, and 35kV busbars, featuring high mechanical strength and excellent flame retardancy. With multiple color options for easy identification, it delivers safe and reliable long-term protection for both straight and bent busbars. Its environmentally friendly and robust properties make it an ideal insulation solution for a wide range of high-voltage applications.
Features and Benefits
• Shrink ratio 2:1
• Designed for 1kV–35kV busbar insulation
• High mechanical strength, flame retardant, wide temperature range
• Multiple colors for easy identification and management
| Property | Requirement | Test Method | Typical Data |
| Operating Temperature | / | / | -55°C to +125°C |
| Min. Shrink Temperature | / | / | +84℃ |
| Full recovery temperature | / | / | +120 °C |
| Tensile strength | ≥8 Mpa | GB/T1040 | Pass |
| Elongation at break | ≥300% | GB/T1040 | ≥300% |
| Tensile strength after aging | ≥6.4 Mpa | GB/T1040 GB/T7141 | Pass |
| Elongation at break after aging | ≥100% | GB/T1040 GB/T7141 | ≥100% |
| Radial Shrinkage Ratio | ≥50% | / | ≥50% |
| Axial Shrinkage Ratio | Φ20~Φ30≤5%; Φ40~Φ50≤8%; Φ60~≤15% | / | Φ20~Φ30≤5%; Φ40~Φ50≤8%; Φ60以上≤15% |
| Heat shock | No Cracking | JB7829-D (+160℃/4 hrs) | No Cracking |
| Low Temperature Resistance | No Cracking | <-40℃ | No Cracking |
| Flame Retardancy Test (Oxygen Index, O.I) | ≥28 | GB/T2406 | ≥28 |
| Dielectric strength | ≥15kV/mm | GB/T1408.1 | ≥15kV/mm |
| Volume resistivity | ≥4.3×1014Ω·cm | GB/T1410 | ≥4.3×1014Ω·cm |
| Hardness (Shore A) | ≤90 | GB 2411 | ≤90 |
| Electrical Properties | |||||
| Item | Unit | Specification | |||
| 1KV | 10KV | 20KV | 35KV | ||
| Power Frequency Voltage Test | KV | 2 | 42 | 50 | 95 |
| Lightning Impulse Voltage Test | KV | 4 | 75 | 95 | 185 |
Color
Red, Black, Yellow, Green, Purple
Product Dimension
| Specification Table for 1kV Busbar Heat Shrink Tubing | |||||
| Part No. | Size (Φ mm) | Applicable Busbar (Rectangular/Round) (mm) | As supplied (mm) | After recovered(mm) | Standard length (m/roll) |
| I.D.(D) | I.D.max (d) | ||||
| Shrivox-R-1-30 | 30 | 30 | 31.5±1.0 | ≤15 | 50 |
| Shrivox-R-1-35 | 35 | 35 | 36.5±1.5 | ≤18 | 50 |
| Shrivox-R-1-40 | 40 | 40 | 41.5±1.5 | ≤20 | 50 |
| Shrivox-R-1-45 | 45 | 45 | 46.5±1.5 | ≤23 | 25 |
| Shrivox-R-1-50 | 50 | 50 | 51±2.0 | ≤25 | 25 |
| Shrivox-R-1-60 | 60 | 60 | 60±3.0 | ≤30 | 25 |
| Shrivox-R-1-70 | 70 | 70 | 70±3.0 | ≤35 | 25 |
| Shrivox-R-1-80 | 80 | 80/100 | 80±3.0 | ≤40 | 25 |
| Shrivox-R-1-90 | 90 | 100 | 90±4.0 | ≤45 | 25 |
| Shrivox-R-1-100 | 100 | 100/120 | 100±4.0 | ≤50 | 25 |
| Shrivox-R-1-120 | 120 | 150 | 120±4.0 | ≤60 | 25 |
| Shrivox-R-1-150 | 150 | 180 | 150±4.0 | ≤75 | 25 |
| Specification Table for 10kV Busbar Heat Shrink Tubing | |||||
| Part No. | Size (Φ mm) | Applicable Busbar (Rectangular/Round) (mm) | As supplied (mm) | After recovered(mm) | Standard length (m/roll) |
| I.D.(D) | I.D.max (d) | ||||
| Shrivox-R-10-15 | 15 | 15/12 | 15±0.8 | ≤8 | 25 |
| Shrivox-R-10-20 | 20 | 20/15 | 20±0.8 | ≤10 | 25 |
| Shrivox-R-10-25 | 25 | 25/18 | 25±0.8 | ≤12 | 25 |
| Shrivox-R-10-30 | 30 | 30/20 | 30±0.8 | ≤15 | 25 |
| Shrivox-R-10-40 | 40 | 40/30 | 40±1.0 | ≤20 | 25 |
| Shrivox-R-10-50 | 50 | 50/35 | 50±2.0 | ≤25 | 25 |
| Shrivox-R-10-60 | 60 | 60/45 | 60±3.0 | ≤30 | 25 |
| Shrivox-R-10-70 | 70 | 70/50 | 70±3.0 | ≤35 | 25 |
| Shrivox-R-10-80 | 80 | 80/55 | 80±3.0 | ≤40 | 25 |
| Shrivox-R-10-100 | 100 | 100/75 | 100±4.0 | ≤50 | 25 |
| Shrivox-R-10-120 | 120 | 120/85 | 120±4.0 | ≤60 | 25 |
| Shrivox-R-10-150 | 150 | 150/105 | 150±4.0 | ≤75 | 25 |
| Shrivox-R-10-180 | 180 | 180/120 | 180±5.0 | ≤90 | 25 |
| Specification Table for 20kV Busbar Heat Shrink Tubing | |||||
| Part No. | Size (Φ mm) | Applicable Busbar (Rectangular/Round) (mm) | As supplied (mm) | After recovered(mm) | Standard length (m/roll) |
| I.D.(D) | I.D.max (d) | ||||
| Shrivox-R-20-15 | 15 | 15/12 | 15±0.8 | ≤8 | 20 |
| Shrivox-R-20-20 | 20 | 20/15 | 20±0.8 | ≤10 | 20 |
| Shrivox-R-20-25 | 25 | 25/18 | 25±0.8 | ≤13 | 20 |
| Shrivox-R-20-30 | 30 | 30/20 | 30±0.8 | ≤15 | 20 |
| Shrivox-R-20-40 | 40 | 40/30 | 40±1.0 | ≤20 | 20 |
| Shrivox-R-20-50 | 50 | 50/35 | 50±2.0 | ≤25 | 20 |
| Shrivox-R-20-60 | 60 | 60/45 | 60±3.0 | ≤30 | 20 |
| Shrivox-R-20-70 | 70 | 70/50 | 70±3.0 | ≤35 | 20 |
| Shrivox-R-20-80 | 80 | 80/55 | 80±3.0 | ≤40 | 20 |
| Shrivox-R-20-100 | 100 | 100/75 | 100±4.0 | ≤50 | 20 |
| Shrivox-R-20-120 | 120 | 120/85 | 120±4.0 | ≤60 | 20 |
| Shrivox-R-20-150 | 150 | 150/105 | 150±4.0 | ≤75 | 20 |
| Shrivox-R-20-180 | 180 | 180/120 | 180±5.0 | ≤90 | 20 |
| Specification Table for 35kV Busbar Heat Shrink Tubing | |||||
| Part No. | Size (Φ mm) | Applicable Busbar (Rectangular/Round) (mm) | As supplied (mm) | After recovered(mm) | Standard length (m/roll) |
| I.D.(D) | I.D.max (d) | ||||
| Shrivox-R-35-15 | 15 | 15/12 | 15±1.0 | ≤8 | 20 |
| Shrivox-R-35-20 | 20 | 20/15 | 20±1.0 | ≤10 | 20 |
| Shrivox-R-35-30 | 30 | 30 | 30±1.0 | ≤15 | 20 |
| Shrivox-R-35-35 | 35 | 30/40 | 35±1.0 | ≤18 | 20 |
| Shrivox-R-35-40 | 40 | 40 | 40±1.0 | ≤20 | 20 |
| Shrivox-R-35-50 | 50 | 50 | 50±2.0 | ≤25 | 20 |
| Shrivox-R-35-60 | 60 | 60 | 60±2.0 | ≤30 | 20 |
| Shrivox-R-35-70 | 70 | 70 | 70±2.0 | ≤35 | 20 |
| Shrivox-R-35-80 | 80 | 80/100 | 80±4.0 | ≤40 | 20 |
| Shrivox-R-35-100 | 100 | 100/120 | 100±4.0 | ≤50 | 20 |
| Shrivox-R-35-120 | 120 | 150 | 120±4.0 | ≤60 | 20 |
| Shrivox-R-35-150 | 150 | 180 | 150±4.0 | ≤75 | 20 |
| Shrivox-R-35-180 | 180 | MAX | 180±5.0 | ≤90 | 20 |
Custom sizes and colors are available upon request. Technical specifications are subject to change without prior notice. Minimum order quantities (MOQ) may differ from standard packaging quantities.
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