Customization: | Available |
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Color: | Green, Yellow, Black, Red, Brown |
Material: | PE |
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High Voltage Thermal Shrinkable Busbar Protective Bushing, a kind of continuous tube shape material made of radiation cross-linked polyolefin, carry excellent insulating performance. Typical applications include insulation of electrical bus bar rated up to 36KV or higher voltage ratings, rectangular, square and round bus bars, inline bolted connections of rectangular bus bars, copper or aluminum bus bars, metal-clad switchgear, metal-enclosed bus bar, substation switchgear etc. |
Property | Typical Data | Test Method |
Tensile strength | ≥8.0MPa | ASTM D 2671 |
Elongation at break | ≥300% | ASTM D 2671 |
Tensile strength after heat ageing | ≥6.9MPa | 130ºC×168h |
Elongation after heat ageing | ≥100% | 130ºC×168h |
Longitudinal change | -8%~+8% | ASTM D 2671 |
Flammability(Oxygen index) | ≥28 | GB/T 2406 |
Heat Shock | No cracking | JB 7829 supplement D |
Dielectric Strength | ≥20kv/mm | ASTM D 149 |
Shore A Hardness | ≤90 | GB2411 |
Volume resistivity | ≥1014Ω.cm | IEC 60093 |
Size(mm) | As supplied(mm) D |
After recovered(mm) | Standard length |
|
Inner diameter d |
Wall thickness w |
(M/spool) | ||
Φ30/15 | ≥30 | ≤15 | 4.0±0.30 | 15 |
Φ40/20 | ≥40 | ≤20 | 4.0±0.30 | 15 |
Φ50/25 | ≥50 | ≤25 | 4.0±0.30 | 15 |
Φ65/33 | ≥65 | ≤33 | 4.0±0.30 | 15 |
Φ75/38 | ≥75 | ≤38 | 4.0±0.30 | 15 |
Φ85/43 | ≥85 | ≤43 | 4.0±0.30 | 15 |
Φ100/50 | ≥100 | ≤50 | 4.0±0.30 | 15 |
Φ120/60 | ≥120 | ≤60 | 4.0±0.30 | 15 |
Φ150/75 | ≥150 | ≤75 | 4.0±0.30 | 15 |
Φ180/90 | ≥180 | ≤90 | 4.0±0.30 | 15 |
Φ210/105 | ≥210 | ≤105 | 4.0±0.30 | 15 |
Φ230/115 | ≥230 | ≤115 | 4.0±0.30 | 15 |
Φ250/125 | ≥250 | ≤125 | 4.0±0.30 | 15 |
Φ300/150 | ≥300 | ≤150 | 4.0±0.30 | 15 |