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   防干燒電水壺電熱管



產品名稱:防干燒電水壺電熱管
產品編號:103252-832
產品型號:鍋爐電熱管
更新時間:2009.07.30
出品單位:電熱管|廣東電熱管|電加熱器廠|茂名電熱管廠|茂名市永興電器有限公司
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用于鍋爐等電加熱器:本產品品質優,經得起實踐檢驗。
驗證電熱管優劣最直觀的方法是:先將電熱管表面擦凈,然后接通交流220V電源,在空氣中干燒,表面發紅后斷電,待電熱管完全冷卻后,用餐巾紙擦拭,白紙上應無黑色氧化粉末(未與空氣中的氧氣反應),說明為優質電熱管。

 
 
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