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Type: Posts; User: shine

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    hydrogen embrittlement . phosphoric acid yes....

    hydrogen embrittlement . phosphoric acid yes. muratic acid never.
    also sand has caustic salts in it and is not recommended for use on sheet metal unless you clean it extremely well .
  2. Replies
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    anything with a moh of 2.5 or higher will warp....

    anything with a moh of 2.5 or higher will warp. basically if it leaves an anchor pattern it will peen the outside of the metal and stretch it. if blasted at a 45 degree angle it will not peen as bad....
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