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location》Silicone Rubber Insulation Tube |
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Silicone Rubber Insulation Tube (SR) |
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Silicone rubber insulation tubing are widely used in assembling va-rious electric equipment because they are uniform in thickness and large electrical insulation strength and great mechanical strength ,and are excellent in heat resistance, moisture proofing property and dura-bility. |
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Color scheme： |
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The standard color is white and clear. the others can be customer's request. |
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Type： |
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Two types are classified according to their wall thickness. |
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Normal size：The following measurement standards are for your reference. |
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Special size：To be made at customer's request. |
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Property Requirements： |
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| Property |
Standard |
Standard Value |
Tensile Strength |
Normal |
Over 0.30kg/mm |
Heated 168hr at 230℃±1℃ |
Over 0.18kg/mm |
Break down voltage |
Normal |
3.0kv |
| Heated 168hr at 230℃±1℃ |
1.8kv |
Durable voltage |
Normal |
2.5kv/3min |
| Heated 168hr at 230℃±1℃ |
| The Bending |
Heated 720hr at 200℃±1℃ |
No ageing warp and crack at the bend |
| Heated 168hr at 230℃±1℃ |
| Heat-resistance |
Heated 720hr at 200℃±1℃ |
No ageing warp and peeling off |
| Heated 168hr at 230℃±1℃ |
| The changing of inside diameter |
Heated 36hr at 200℃±1℃ |
Within ±10 ％ |
| The changerate after being heated |
Heated 36hr at 200℃±1℃ |
The thickness is changed within 50 ％ |
| The bebding after being cooled |
Cooled 1hr at -10℃±1℃ |
No crack |
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Measurement Standards： |
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| Inside diameter ( mm ) |
Wall Thickness ( mm ) |
Normal |
Tolerance |
1.0 - 2.0 |
+ 0.20 ， - 0.10 |
0.35mm to 0.50mm |
2.5 - 3.5 |
+ 0.25 ，- 0.10 |
4.0 - 7.0 |
+ 0.30 ， - 0.10 |
0.50mm to 0.65mm |
8.0 - 10.0 |
+ 0.35 ， - 0.10 |
0.65mm to 0.80mm |
| The other specifications are available by special order |
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