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密封箱膠圈比較
   
 
 
   
   
首頁 / 密封箱材料 / 密封箱膠圈比較
 
密封箱膠圈材料
 
FIBOX電氣密封箱  密封圈 - 最好的保護
 
密封圈在保護電氣密封箱防護等級方面起到非常重要的功能。長時間的過程中,防護等級的持續性要依賴于密封
圈的特性。密封圈的功能決定于密封圈是否準確地插入到compressionset。普遍使用的密封圈中最好的是poly-
urethane密封圈,它有著相當低的compressionset。當準確注入、發泡時polyurethane密封圈將牢固的固定在
正確的位置上。EPDM材質因其優秀的抗化學防腐蝕性在抵抗被廣泛使用的大部分化學物質方面起到最好的保護作
用。但是密封圈的抗化學腐蝕性也根據其材質差異很大,所以根據需要讓化學成分和密封圈進行直接反應是確認
效果最有效方法。
 
電氣密封箱的性能根據使用不同密封圈的材質而存在差異,密封圈的材質和cross-sectionprofile決定著電氣密
封箱防護程度。選擇密封圈時要比較各個材料成分的彈性,以及與許多化學物質接觸時會產生的影響,以及在冷
熱的情況下會產生的影響。最重要的是電氣密封箱和密封圈對同種化學物質產生共同的抵抗性時才可以得到最好
的效果。
 
FIBOX電氣密封箱 - 最好的設計
 
電氣密封箱的IP防護等級雖然受密封圈物性的影響,但是密封圈的準確插入也是很重要的。蓋子和基座與密封圈
密切吻合需要很高的精確度,如果生產過程中沒有達到這一點,即使使用了很好的密封圈IP防護等級也會降低。
當然,FIBOX早已在設計時就注意、考慮到了這一點,確保了其準確性。所以,客戶使用FIBOX電氣密封箱時只需
考慮材質的選擇就可以了。
 
FIBOX電氣密封箱密封圈包括PUR,EPDM,neoprene,silicon等材質。表1說明了各密封圈材質的一般性的物性。
數字只是為了讓大家了解各密封圈材質與化學成分的反應是如何的一般性的理解。對各個化學成分的抵抗力需要
另外進行確認,如需要更加詳細的資料,請與FIBOX聯系。
 
表1 密封圈 材質:physical properties comparison
 
表2 密封圈 材質:耐腐蝕性比較

 

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