Tree Guard（Silicone Line Cover）
Tree Guard（Silicone Line Cover）
Soft and resistant to bending
Long service life, aging resistance, corrosion resistance
Color: Red, Gray (customizable)
Easy installation, no flame required, short power-off construction time
Product technical index
|
Item |
Typical value |
Test method |
|
Electrical strength test |
≥20kV/mm |
GB/T 1408.1-2006 |
|
Volume resistivity |
≥1×10 14Ω·cm |
GB/T 1410-2006 |
|
Dielectric constant |
2~3 |
GB/T 1409-2006 |
|
Shore hardness（a） |
70±5 |
GB/T 531 |
|
Mechanical properties before heat ageing |
||
|
Tensile strength |
≥4.0MPa |
GB/T 528 |
|
Elongation at break |
≥200% |
GB/T 528 |
|
After heat ageing(180℃ ×7d) |
||
|
Tensile strength change |
±30% |
GB/T 528 |
|
Elongation change |
±30% |
GB/T 528 |
|
Low temperature elongation(-15℃ ×2h) |
≥20% |
GB/T 2951.4-1997 |
|
Low temperature flexibility(-50℃ ×4h) |
No crack |
UL224-2004 |
|
High temperature crack resistance (155℃ ×2h) |
No crack |
GB/T2951.6-1997 |
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