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The choice of industrial cleaning agent depends on the type of oil stain
(1) In the process of processing, due to the processing process requirements (such as cooling, smoothness, abrasive, surface treatment, heat treatment, etc.), the metal has various oil stains. This kind of oil is mostly mineral oil, but also animal and vegetable oil, emulsion, polishing paste, grinding paste, and various salts. The composition of this kind of oil stain is relatively complex, the time it exists on the metal surface is relatively short, the adhesion is not strong, and it is easy to remove. Therefore, the normal temperature cleaning agent that has no corrosion effect on the metal can be selected, and the requirements for other indicators of the cleaning agent are not high. In the component selection of cleaning agents, hydrophobic surfactants containing aliphatic groups are mostly used for oily oil stains of animals and plants. Hydrophobic surfactants containing fenaromatic group are mostly used for mineral oil pollution.
(2)、临时封存的机械、零件等金属表面上的油污多为防锈油、防锈脂、气相防锈剂和水溶性缓蚀剂。由于这类油污的组份比较复杂，与金属粘附严密，加之时间长，组分挥发、自聚，甚至发作物理、化学的变化，清洗起来比较困难。这就需要依据不同状况选用清洗剂。关于防锈油脂一类的厚层油污可采用加温清洗剂停止启封，然后再清洗，这样可大大提高启封清洗效率。关于薄层油及气相缓蚀剂、水溶性缓蚀剂，则用加温或常温两种清洗剂均可。
(3)、清洗对象经运转使用以后发生的油污就比较复杂。这类油污大多为各种光滑油、燃料油等，加上其它工业污物、尘土、金属粉末。由于时间长，运转状况复杂及各种因素的影响，此类油污成份复杂，附着结实，清洗比较困难。一般应针对油污成分的不同选用专用清洗剂，例如，发起机积碳的清洗要用除积碳清洗剂。水垢的清洗要用除垢清洗剂等。
This article is from:http://www.newstar-china.com/
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