What Does Free Ash Mean?
Free ash is incombustible inorganic matter remaining after fuel burning or mineral mining. The quantity of ash present in a given metal can be examined to determine the rate of corrosion in a material.
Free Ash
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Corrosionpedia Explains Free Ash
The greater the amount of ash present in a material, the lower the purity of the material with a corresponding higher rate of corrosion, and vice versa.
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