Introduction of Insulated Tubing for 40.5kV Busbar
The heat shrink tubing is made by bombarding crosslinked polyolefin heat shrinkable material with high-energy electron beam, and environmentally harmful substances such as PBB, PBBD, PBBE and heavy metals are restricted. When burned, the heat shrink tubing does not generate poisonous gas or hazardous substances, and the heat shrink sleeve can provide high dielectric strength and track resistance. Our heat shrink tubing is a certified product, and can be applied to corrosion protection and insulation of busbar and electrical equipment.
Model List
MPG5-40.5 Insulated Tubing for 40.5kV Busbar| Product | Specification | Applicable square busbar width(mm) |
Applicable round busbar width(mm) |
Before shrink dimensions (mm) |
After shrink dimensions (mm) |
Standard Package | ||
| inner diameter |
wall thickness |
inner diameter |
wall thickness |
meters / roll | ||||
| MPG5-40.5- φ 30 | 30/12 | 30 | 20 | 30 | 2.00 | ≤13 | 4.00±0.30 | according to customer requirements |
| MPG5-40.5- φ 40 | 40/16 | 40 | 30 | 40 | 2.00 | ≤16 | 4.00±0.30 | according to customer requirements |
| MPG5-40.5- φ 50 | 50/22 | 50 | 35 | 50 | 2.00 | ≤22 | 4.00±0.30 | according to customer requirements |
| MPG5-40.5- φ 60 | 60/25 | 60 | 40 | 60 | 2.30 | ≤28 | 4.00±0.30 | according to customer requirements |
| MPG5-40.5- φ 70 | 70/26 | 70 | 50 | 70 | 2.00 | ≤28 | 4.00±0.30 | according to customer requirements |
| MPG5-40.5- φ 80 | 80/33 | 80 | 60 | 80 | 2.30 | ≤35 | 4.20±0.30 | according to customer requirements |
| MPG5-40.5- φ 90 | 90/35 | 90 | 65 | 90 | 2.00 | ≤35 | 4.20±0.30 | according to customer requirements |
| MPG5-40.5- φ 100 | 100/38 | 100 | 70 | 100 | 2.30 | ≤40 | 4.50±0.30 | according to customer requirements |
| MPG5-40.5- φ 120 | 120/44 | 120 | 85 | 120 | 2.00 | ≤44 | 4.50±0.30 | according to customer requirements |
| MPG5-40.5- φ 140 | 140/50 | 150 | 115 | 140 | 2.30 | ≤49 | 4.50±0.30 | according to customer requirements |
| MPG5-40.5- φ 160 | 160/66 | 160 | 125 | 160 | 2.50 | ≤66 | 4.50±0.30 | according to customer requirements |
| MPG5-40.5- φ 200 | 200/80 | 200 | 140 | 200 | 2.50 | ≤80 | 4.50±0.30 | according to customer requirements |
| Color: iron red, yellow, green, or any other color according to customer requirements | ||||||||
Features of Insulated Tubing for 40.5kV Busbar
Shrink proportion: 2:1 (1kV, 40.5kV), 2.5:1 (12kV busbar)
Shrink temperature: 84 ℃ ~ 125 ℃
Working temperature: -40 ℃ ~ 125 ℃
Our bus bar heat shrink tubing is eenvironmentally friendly, high strength, flexible, flame retardant, and soft.
Applications of Insulated Tubing for 40.5kV Busbar
Function: the bus bar heat shrink tubing can be used for electrical insulation, mechanical protection, reducing phase spacing and making connector box.
Applicable area: power industry
Standard Compliance of Insulated Tubing for 40.5kV Busbar
GB / T 1059-2007
Environmental certification: RoHS
Standard color: red, yellow, green, black, blue
| Performance | Unit | Performance Standard | Test Method / Condition |
| Tensile strength | MPa | ≥10.4 (before aging) | GB/T 1040 130 ℃ ×168h |
| ≥7.3 (after aging) | |||
| Elongation | % | ≥300 (before aging) | GB/T 1040 , GB/T7141 130 ℃ ×168h |
| ≥100 (after aging) | |||
| Heat shock | - | No sticky, no cracks | JB 7829 appendix D. ( 160 ℃ ×4h ) |
| Chilling bending | - | No cracks | -30 ℃ ×4h |
| Breakdown strength | kv/mm | ≥25 | GB/T 1408.1 |
| Volume resistivity | Ω.cm | ≥1×10 14 | GB/T 1410 |
| Radial shrinkage | % | ≥50 | |
| Eccentricity ** | % | ≤30 | UL 224 |
| Fire retardancy | - | ≥30 | GD/T 2406 |
| Water absorption | % | ≤0.5 | ISO 62-1980 |
| Power frequency withstand voltage * | kv/mm | ≥30kV.1min | GB/T 1408.1 |
| Shore hardness (Shore A) | ≤90 | GB 2401 |
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