Ironwork is rustily because the water in air and oxygen are common,be action (water and air are short of one cannot) make iron and they produce chemical reaction to generate ferruginous. So, preventing the principle with rustily ironwork is to avoid ironwork and water or air contact can antirust, antirust method has: 1. Acidity environment should is far from when ironwork is placed, place as far as possible in dry environment. 2. Clothes of a protection is worn outside ironwork, if can besmear,get on on isolation airy grease, oiled lacquer, plating one anticorrosive metal of calcination of other metal, high temperature, undertake " bake blue " processing is waited a moment. Ferruginous have water imbibition, discover ironwork has rustily, handle immediately, in order to prevent its bibulous make its are accelerated spread.
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