Description:
- Made of cross linked polyolefin
- High resistance to tracking, aging and erosion
- Used to offer insulation protection for busbar in switchgear and substation
- Can be supplied in continuous length
- Continuous operation temperature: -45℃ to 105℃
- Shrink temperature: start at 110℃, and fully recovered at 130℃
- Color: yellow, red, green, blue, black
Polyolefin Heat Shrink Bus Bar Sleeve - WMPG
Selection Table
| Property | Test Method | Standard Value |
| Operation Temperature | IEC 216 | -45℃ to 105℃ |
| Tensile Strength | ASTM-D-2671 | ≥10MPa |
| Elongation at Break | ASTM-D-2671 | ≥400% |
| Tensile Strength after Aging | ASTM-D-2671 | ≥8MPa (130℃,168 hrs) |
| Elongation at Break
after Aging |
ASTM-D-2671 | ≥320% (130℃,168 hrs) |
| Dielectric Strength | IEC 60243 | ≥25kV/mm |
| Volume Resistivity | IEC 60093 | ≥1×1014Ω·cm |
| Dielectric Constant | IEC 250 | ≤3.0 |
| Longitudinal Shrinkage | ASTM-D-2671 | ≤10% |
| Eccentricity | ASTM-D-2671 | ≤30% |
| Water Absorption | ISO 62 | ≤0.5% |
| Flammability (Oxygen Index) | IEC 4589 | ≥28 |
| Copper Corrosion | ASTM-D-2671 | No corrosion (130℃,168 hrs) |
| Cold Bend | ASTM-D-2671 | No cracking (-40℃, 4 hrs) |
Selection Table (10 kV heat shrink busbar sleeve)
| Poduct No. | As SSupplied/mm | After Recovered/mm | Standard Length/mm | Standard Length/mm | Suitable for Circular Busbar/mm | ||
| ID (Min) | Wall Thickness | ID (Max) | Wall Thickness(±10%) | ||||
| Ф20 | 20 | 1.2 | 8 | 2.5 | 1000 | 20 | 15 |
| Ф25 | 25 | 1.2 | 11 | 2.5 | 1000 | 25 | 15 |
| Ф30 | 30 | 1.2 | 13 | 2.5 | 1000 | 30 | 20 |
| Ф40 | 40 | 1.2 | 16 | 2.5 | 1000 | 40 | 25 |
| Ф50 | 50 | 1.3 | 18 | 2.8 | 1000 | 50 | 30 |
| Ф60 | 60 | 1.3 | 25 | 2.8 | 1000 | 60 | 40 |
| Ф70 | 70 | 1.3 | 29 | 2.8 | 1000 | 70 | 50 |
| Ф80 | 80 | 1.3 | 34 | 2.8 | 1000 | 80 | 55 |
| Ф100 | 100 | 1.3 | 41 | 2.8 | 1000 | 100 | 75 |
| Ф120 | 120 | 1.3 | 48 | 2.8 | 1000 | 120 | 85 |
| Ф150 | 150 | 1.3 | 62 | 2.8 | 1000 | 150 | 105 |
| Ф180 | 180 | 1.3 | 73 | 2.8 | 1000 | 180 | 120 |
| Ф210 | 210 | 1.3 | 84 | 2.8 | 1000 | 210 | 130 |
| Ф230 | 230 | 1.2 | 85 | 2.8 | 1000 | 230 | 135 |
| Ф250 | 250 | 1.5 | 102 | 3.9 | 1000 | 250 | 140 |
| Ф275 | 275 | 1.4 | 102 | 3.9 | 1000 | 275 | 145 |
| Ф300 | 300 | 1.6 | 110 | 3.9 | 1000 | 300 | 160 |
Selection Table (35 kV Heat Shrink Busbar Sleeve)
| Product No. | As Supplied/mm | After Recovered/mm | Standard Length /mm | Suitable for Rectangular Busbar/mm | Suitable for Circular Busbar/mm | ||
| ID(Min) | Wall Thickness | ID(Max) | Wall Thickness(±5%) | ||||
| Ф20 | 20 | 2.0 | 8 | 4.8 | 1000 | 20 | 15 |
| Ф25 | 25 | 2.0 | 10 | 4.8 | 1000 | 25 | 15 |
| Ф30 | 30 | 2.0 | 15 | 4.8 | 1000 | 30 | 20 |
| Ф40 | 40 | 2.0 | 16 | 4.8 | 1000 | 40 | 25 |
| Ф50 | 50 | 2.0 | 20 | 5.0 | 1000 | 50 | 25 |
| Ф60 | 60 | 2.0 | 25 | 5.2 | 1000 | 60 | 30 |
| Ф70 | 70 | 2.0 | 30 | 5.2 | 1000 | 70 | 35 |
| Ф80 | 80 | 2.0 | 32 | 5.2 | 1000 | 80 | 40 |
| Ф100 | 100 | 2.0 | 40 | 5.2 | 1000 | 100 | 75 |
| Ф120 | 120 | 2.0 | 50 | 5.2 | 1000 | 120 | 85 |
| Ф150 | 150 | 2.0 | 60 | 5.2 | 1000 | 150 | 105 |
| Ф180 | 180 | 2.2 | 70 | 5.6 | 1000 | 180 | 120 |
| Ф210 | 210 | 2.1 | 80 | 5.6 | 1000 | 210 | 130 |