丽水A10VSO140FHD/31R-PPB12N00油泵全新柱塞泵液压泵

发布时间:2022-01-25
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丽水A10VSO140FHD/31R-PPB12N00油泵全新柱塞泵液压泵
A10VSO10DRG/52R-PSC14N00-SO857
A10VSO10DRG/52R-PSC64N00
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A10VSO10DRG/52R-PUC64N00
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A10VSO18DR/31R-PPA12N00
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A10VSO28DR/31R-PPA12K01
A10VSO28DFR1/31R-PPA12N00
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丽水A10VSO140FHD/31R-PPB12N00油泵全新柱塞泵液压泵
A10VSO28DFR/31R-PPA12N00
A10VSO28DFLR/31R-PPA12N00
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A10VSO28DFE1/31R-PPA12N00
A10VSO28FHD/31R-PPA12N00
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A10VSO45DR/31R-PPA12N00
A10VSO45DR/31R-PPA12K01
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12N00
A10VSO45DFR1/31R-PPA12K02
A10VSO45DFR/31R-PPA12N00
A10VSO45DFR/31R-PPA12K01
A10VSO45DFR/31R-PPA12K26
A10VSO45DFLR/31R-PPA12N00
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A10VSO71DR/31R-PPA12K01
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A10VSO71DFR1/31R-PPA12K02
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A10VSO71DFR/31R-PPA12K27
A10VSO71DFLR/31R-PPA12N00
丽水A10VSO140FHD/31R-PPB12N00油泵全新柱塞泵液压泵
原因一:前处理不干净在电泳之前,都会进行前处理步骤,而且由于铝氧化膜的蜂窝状结构,多孔状的结构就决定了氧化膜孔中会残留硫酸,如果前处理不,就很有可能出现黄变现象。这种现象一般是由于化学反应导致的氧化膜变黄。如果前处理不干净氧化膜孔里残留较多的硫酸根,高温情况下,氧化膜就会与硫酸根发生反应,从而使清澈、透明的氧化膜变得浑浊,透明性下降;同时再加上电泳漆膜的高透明性,对光线的高反射性,从而使这种缺陷得到进一步放大,就形成所说的黄变。
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