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Rustproofing
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One method used to prevent rust, is to insulate the metal from moisture and oxygen by covering it with protective chemical layers or paint. This method is effective as long as the protective surface is not damaged, for example, stone chips, scratches, abrasions in the joints. In real terms this is ....
Middle of essay
....Anode units, like those used on ships, are very effective in wet conditions but cannot inhibit rust in dry conditions. Obviously vehicles experience varied conditions and so neither of these types of products are suited for vehicle rust prevention.
Under normal conditions the metal of a vehicle contains a mass of Iron Atoms, Impurities and Free Electrons. The impurities are slightly positively charged and therefore there is a potential difference (voltage) between the impurity atoms and the iro.... |
| Number of words: 586 |
Approximate pages: 3 |
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