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cast iron blast medium

Discussion in 'Truck & Equipment Repair' started by ranger88den, May 6, 2010.

  1. ranger88den

    ranger88den Senior Member
    Messages: 105

    What is the best blast medium to clean rust from a cast iron exhaust manifold in preparation for painting? Thanks in advance
     
  2. wild bill

    wild bill PlowSite.com Addict
    Messages: 1,239

    blasting

    depends how much pressure you have silica sand don't work to bad or black cat if you can accommodate it in your blaster
     
  3. ranger88den

    ranger88den Senior Member
    Messages: 105

    Thanks for the reply Bill. Could you describe "black cat", I've never heard of it before.
     
  4. wild bill

    wild bill PlowSite.com Addict
    Messages: 1,239

  5. ranger88den

    ranger88den Senior Member
    Messages: 105

    Thank you for the link.