濟(jì)南鋁板的質(zhì)量如何判別?
1、鋁型材及包裝上是否標(biāo)有產(chǎn)品標(biāo)準(zhǔn)代號(hào)及生產(chǎn)許可證號(hào)等,濟(jì)南鋁板表面除應(yīng)清潔,不允許有裂紋、起皮、腐蝕和氣泡等缺陷存在外,還不允許有腐蝕斑、電灼傷、黑斑、氧化膜脫落等缺陷。
Are marked aluminum and packaging products standard code and production license number, etc., in addition to Jinan aluminum surface should be clean, not allowed to have cracks, peeling, corrosion and bubbles and other defects, but also does not allow corrosion spots, electrical burns , spots, and other defects in the oxide film off.
2、濟(jì)南鋁板http://www.7075lu.com/的氧化膜是在陽(yáng)極氧化中形成的,具有防護(hù)和裝飾作用,可用渦流測(cè)厚儀進(jìn)行檢測(cè)。
Jinan aluminum oxide film is formed in the anodic oxidation, with a protective and decorative effect, can be used to detect the eddy current thickness gauge.
3、濟(jì)南鋁板http://www.7075lu.com/經(jīng)陽(yáng)極氧化后表面留有許多空隙,如果不進(jìn)行封閉或封閉不好,將減小鋁型材的耐腐蝕性。濟(jì)南鋁板耐蝕性檢查有銅加速醋酸鹽霧試驗(yàn)和滴堿試驗(yàn)。
Jinan anodized aluminum surface after leaving many gaps, if not closed or sealed well, will reduce the corrosion resistance of aluminum. Jinan check corrosion resistance of aluminum copper accelerated acetic acid salt spray test and drop test base.
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