Bus Bar Sleeves is well insulated and track-resistant heat-shrinkable polyolefin protection sleeves for bus bar. It is widely used to protect the rectangular, square and round bus bars found in low or medium voltage switching equipment.
Properties:
1. Operating temperature range: -55~125 ceti degree.
2. Breakdown voltage: 1.0~10.0KV
3. I. D.: 30.0~150.0mm
4. Length: 1~2 meters cutting length as per customer need.
Usages: Used to protect the rectangular, square and round bus bars found in low or medium voltage switching equipment.
Item |
Test Method |
Specifications |
Shrink Temperature (ºC) |
|
110 |
Operating Temperature Range (ºC) |
|
125 |
Tensile Strength (Mpa) |
ASTM D2671 |
≥10 |
Elongation at break (%) |
ASTM D2671 |
≥450 |
Aging in Circulating-air Oven |
ASTM D2671 |
136.0±1.0ºC, 168hrs |
After aging |
Tensile Strength (Mpa) |
ASTM D2671 |
≥10 |
Elongation at break (%) |
ASTM D2671 |
≥400 |
Flexibility at -40ºC, 4h |
ASTM D2671 |
No cracking |
Volume Resistance (Ω .cm) |
ASTM D876 |
≥10 13 |
Dielectric Strength(15kV/mm) |
ASTM D2671 |
≥15 |
Heat shock |
200ºC±3ºC, 4h |
No cracking |
Oxygen index |
ASTM D2863 |
≥30 |
Water absorption |
ASTM D570A |
|