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Can PFA attack some metals?

Attack metals PFA
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Can PFA attack some metals?

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Yes, PFA is an alkaline material with a pH of between 7 (for lagoon ash) to 11 for fresh material, depending on the source of the ash. If a metal is known to be attacked by alkalis such as calcium, sodium or potassium hydroxides, such as aluminium or lead, PFA will also react with it – in the presence of water. In addition PFA can contain sulfates as gypsum, see the question above, and it will attack carbon steel, though not stainless steel.

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