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鋁型材生產廠家_如何鑒別工業鋁型材質量的好壞?

發布日期:2021-09-22瀏覽次數:89

鋁型材生產廠家_如何鑒別工業鋁型材質量的好壞?

1、標簽查驗

鋁型材、包裝等是否標注產品規范代號、出產許可證編號。

2、外表質量

鋁型材外表應清潔,不允許有裂紋、起皮、腐蝕和氣泡,也不允許有腐蝕點、電燒傷、黑點、氧化膜掉落等缺陷。

3、氧化膜厚度

鋁型材氧化膜為陽極氧化構成,具有維護和裝飾功能,可用渦流測厚儀檢測。

4、密封質量

陽極氧化后鋁型材外表有許多空位。假如不密封或密封不妥,鋁型材的耐腐蝕性將降低。密封質量查驗常用的辦法有酸浸法、導納法和磷酸。

5、耐腐蝕性

首先要影響鋁型材的壽數。耐蝕實驗包括銅加速醋酸噴霧實驗和堿滴實驗。鋁型材生產廠家_

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