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東莞市雨成五金制品有限公司

聯系人:鄒先生

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地址:東莞市黃江鎮刁朗工業區金朗三街12號
保護銅螺絲
保護銅螺絲
出處:東莞市雨成五金制品有限公司更新時間:2014-05-08 13:55:23

摘要:保護銅螺絲
陶瓷保護膜是陶瓷材料施于金屬表面以增加其對高溫氧化之抵抗性及耐熱性,銅螺絲對于堿類及氫氟酸以外之所有腐蝕環境皆具有良好之而腐性,并有耐磨、易清潔、悅目之外觀及良好之絕緣性等優點。陶瓷是指金屬氧化物、碳化物、硼化物、矽化物及氮化物的總稱,具有熔點高、硬度高、性能脆等特點,目前應用較多的是氧化物和碳化物,也少量應用硼化物及矽化物。
       適當使用噴鍍方法將熔融狀態之陶瓷材料微粒,噴附在銅螺絲表 面以形成覆蓋涂層,即陶瓷保護膜。膜厚在0.4公厘以內者一般稱為塘瓷或琺瑯,0.4公厘以上者一般稱為玻璃襯里。噴陶適用于高溫下使用,噴陶層可以防止 金屬與合金的晶粒間腐蝕,作為腐蝕性氣體的隔絕障礙,降低熱點發生的機會,對于重要部位可代替低合金金屬,并可抵抗污染物的侵蝕。若使用浸鍍法,則需于干 燥后再于爐中烤干以形成附著力良好之保護層。
       金屬防蝕技術之學問廣泛,內容十分豐富,對于銅螺絲的腐蝕現象,究竟要采用那種防蝕措施,不能一概而論。例如防蝕的費用遠超過螺絲購買的成本,或直接更換新螺絲較為經濟,是否有特別需要,非采用最佳防蝕效果之銅螺絲不可。
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