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电器密封箱
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选择电气密封箱时首先要考虑尺寸的选择，这也是最重要的部分。其次，要考虑到材质的选择对电气密封箱功能的影响。下面的资料各种材质之间的差异点和各自的优缺点。
材质比较
下面的对比表说明了不同材质的物质特性方面的基本内容。
|
|
PC |
ABS |
GRP |
AL1) |
PA62) |
NORYL |
PS |
|
|
|
|
|
|
|
|
|
|
Outdoor use |
**** |
* |
***** |
**** |
**** |
* |
* |
|
Indoor use |
***** |
***** |
***** |
***** |
***** |
***** |
***** |
|
Cost |
*** |
***** |
* |
* |
** |
*** |
***** |
|
|
|
|
|
|
|
|
|
|
Light weight |
***** |
***** |
*** |
* |
***** |
***** |
***** |
|
High rigidity |
*** |
* |
**** |
***** |
*** |
*** |
* |
|
Impact resistance |
***** |
*** |
**** |
**** |
*** |
*** |
* |
|
CHEMICAL RESISTANCE |
|
|
|
|
|
|
|
|
Salt water environments |
***** |
** |
***** |
****1) |
***** |
***** |
** |
|
Neutral salts |
***** |
|
***** |
****1) |
**** |
***** |
**** |
|
Acids, low concentrations |
***** |
**** |
***** |
** |
**** |
**** |
**** |
|
Acids, high concentrations |
*** |
* |
*** |
* |
* |
**** |
* |
|
Alkalis, low concentrations |
*** |
***** |
**** |
* |
** |
**** |
***** |
|
Alkalis, high concentrations |
* |
**** |
**** |
* |
* |
*** |
**** |
|
Petroleum |
*** |
* |
***** |
***** |
**** |
* |
* |
|
Hydraulic oil |
***** |
***** |
***** |
***** |
***** |
|
***** |
|
Alcohols |
**** |
*** |
**** |
***** |
**** |
|
*** |
|
Solvents |
* |
* |
***** |
***** |
|
|
* |
|
Cooling fluids |
*** |
***** |
***** |
*** |
|
|
***** |
|
|
|
|
|
|
|
|
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