Useful catalyst measures - check and see if this is ok just for starters

Discussion in 'Fiberglass and Composite Boat Building' started by tunnels, Aug 17, 2012.

  1. tunnels

    tunnels Previous Member

  2. rwatson
    Joined: Aug 2007
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    Location: Tasmania,Australia

    rwatson Senior Member

    You ought to rename this thread to something easy to spot - like "Useful Catalyst measures" .

    On a side note, I seem to remember you saying somewhere that you hated MEKP in your shop.

    I meant to ask then, if it was because of the terrible smell ?

    I did a small Vynilester job a while back, and I was almost sick from the odour.

    Is there another catalyst for Vynilester that isn't as unpleasant as MEKP that you prefer ?
     
  3. Herman
    Joined: Oct 2004
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    Location: The Netherlands

    Herman Senior Member

    MEKP has a bit of smell, but not too bad. It is not a very obvious smell, and the polyester of vinylester overwhelming smell hides whatever smell if left of the MEKP. Wonder what stuff they gave you.

    MEKP is a big fire hazard, and my guesstimate is that out of 4 polyester shop fires, 3 are caused by peroxides. Most dangerous are spills, especially on combustible materials (wood) where fire can start even 12 hours after the spill occured (and when everyone has gone....)

    And indeed rename the thread into something descriptive. We have enough threads named "my boat" or "help me"
     
  4. Boat Design Net Moderator
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    Boat Design Net Moderator Moderator

    <added "Useful catalyst measures" to the thread title now so it's more identifiable>
     

  5. rwatson
    Joined: Aug 2007
    Posts: 5,875
    Likes: 311, Points: 83, Legacy Rep: 1749
    Location: Tasmania,Australia

    rwatson Senior Member

    Thanks Herman. It must have been the vinylester then. I can handle polyester , but the small job in VE was just 'orrible.

    I will get rid of the MEKP tomorrow, as it is near wood shavings, and i wont be using it for the foreseeable future.
     
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