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| 矽膠管 SILICONE RUBBER TUBES |
|
| 矽膠管 SILICONE RUBBER TUBES |
|
Specification
of Silicone Rubber Tubing (for Electric and Electronics Industries) |
| Test item | Condition | Character |
| Tensile strength | Normal
status
Thermal aging for 60 Thermal
aging for 7 |
Not
less than 0.35 kg/m ㎡
Not less than 60% of the value at normal status Not less than 60% of the value at normal status |
| Elongation | Normal
status
Thermal aging for 60 Thermal
aging for 7 |
Not
less than 200%
Not less than 25% of the value at normal status Not less than 25% of the value at normal status |
| Dielectric Withstand Voltage | Normal status
Thermal aging for 60 Thermal
aging for 7 |
2.5KV
for 1 minute
2.5KV for 1 minute 2.5KV for 1 minute |
| Dielectric Breakdown Voltage after Application of withstand voltage | Normal status
Thermal aging for 60 Thermal
aging for 7 |
Not
less than 2.5KV
Not less than 50% of the value at normal status Not less than 50% of the value at normal status |
| Heat deformation | Heating and pressurizing for 1 hr at 200 ± 1°C | Reduction in thickness is not exceeding 50% |
| Heat shock | Heating 1hr at 300± 4°C | No crack nor split |
| Cold bend | Cooling 1hr at - 10 ± 1°C | No crack nor split |
| Flexibility | Thermal
aging for 60 days At 210 ±
1°C
Thermal aging for 7 Days at 232 ± 1°C |
No crack nor split after bending through 180 degrees |
| Flamability | Five ignition cycles each consist of 15-second application of test flame and 15 second removal | No burning for 60 seconds or more in VW-1 flame test |
| Volume resistivity | Normal status | No less than 10Ω-cm |
| Percent change in dimension | Heating for 2 hr at 200 ± 1°C | Not more than +5% |
| Copper corrosion | Exposure
for 24 hr at 95% H.R. and 23°C Thermal aging for 60 days at 210 ± 1°C Thermal aging for 7 days at 232 ± 7°C |
No corrosion of copper appears |
| Copper stability | Exposure
for 24 hr at 95% H.R. and 23°C Thermal aging for 60 days at 210 ± 1°C Thermal aging for 7 days at 232 ± 1°C |
Elongation is not less than 25% of value ordinary state |
| Continued
Working temperature |
155°C
for 60 days 180°C for 7 days |
No crack nor split |
◎The test methods are in accordance with UL-224 ◎Standard color is white (or grey), other colors are also available on request. |
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