Description
Style Number: | UL21520 | Brand Name: | WCH Cable |
Rated Temperature: | 105℃ | Working Voltage: | 300V |
Cable Type: | Cross-linked polyethylene XLPE | Nominal Thickness: | 0.38mm (15mils) |
UL21520 XLPE Cable
Cable Structure
Conductor, Insulation, Shield (if available), Jacket.
Raw Material
Highly pure copper strands, bare or tinned per requirement.
Copper braid screend, with aluminum foil shield, optional.
Cross-linked polyethylene XLPE.
Electric Properties
Working Temperature: 105℃.
Spark Test Voltage: 3000V.
Rated Voltage: 300V.
XLPE Aging Performance
Tensile Strength: min 13.79 Mpa.
Elongation: min 150%.
– Test Period: 136℃*168H
Tensile Strength: min 70%.
Elongation: min 45%.
Other Properties
Deformation Condition: max 50%.
– Test Condition: 121℃*250g
Cold Bend: No Crack.
– Test Period: -10℃*4H
Heat Shock: No Crack.
– Test Period: 136℃*1H
Dielectric Strength: min 2KV.
Flammability Grade: VW-1, FT2 per request.
Properties of Truth
Item | Properties | Remark | |
Appearance | Shall not have pin hole, crack, bubble on the surface, and no other harmful defects. | Examine with the naked eyes. | |
Spark Test | Shall withstand without breakdown at AC3.0KV / 0.15 sec. | In the air. | |
Physical Properties of XLPE | Unaged | Tensile Strength: No less than 13.79 Mpa. | Normal temperature. |
Elongation: No less than 150%. | |||
Aged | Tensile Strength: No less than 70% of original result. | Aging condition 136℃ / 168 hours. | |
Elongation: No less than 45% of original result. | |||
Flexibility Test | Shall not show evidence of cracking. | ||
Heat Shock Test | Shall not show evidence of cracking. | Test condition 136℃ / 1 hour. | |
Cold Bend Test | Shall not show evidence of cracking. | Cold chamber: -10℃ / 4 hours. | |
VW-1 Flame Test | Shall not continue to flame longer than 60 seconds. |