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Technical Catalysed Primer Pot Life

Discussion in 'The Hokey Ass Message Board' started by blowby, Apr 24, 2020.

  1. blowby
    Joined: Dec 27, 2012
    Posts: 7,769

    blowby
    Member
    from Nicasio Ca

    When it comes to paint, there are no dumb questions...I hope.

    I have been priming till the cup runneth out. Waiting a day before sanding. Now I'm doing a few small areas and wondering if any remaining catalysed primer will last until I can sand and then reprime? If so, take it out of the gun and clean while waiting? I would read the can if there wasn't paint all over the directions..
     
  2. Pretty much every product will have a TDS online somewhere that will give you the pot life. It won't be long enough to paint, let it dry, sand and repaint.

    Sent from my SM-G950W using The H.A.M.B. mobile app
     
    john worden likes this.
  3. gimpyshotrods
    Joined: May 20, 2009
    Posts: 18,383

    gimpyshotrods
    ALLIANCE MEMBER

    Probably less than an hour.
     

  4. guthriesmith
    Joined: Aug 17, 2006
    Posts: 5,374

    guthriesmith
    ALLIANCE MEMBER
    1. H.A.M.B. Chapel

    Guessing every catalyzed primer has a little different dry time, but none of them will get you the kind of time you are asking about or you likely wouldn't be able to do the sanding you mention.
     
  5. i usually mix half of what I think I’m gonna need. After I shoot that I kind of see if I was close on my guess and then readjust the second half up or down to finish.
    With the Catalyzed stuff once you mix it you got to shoot it or throw it out
     
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  6. blowby
    Joined: Dec 27, 2012
    Posts: 7,769

    blowby
    Member
    from Nicasio Ca

    OK thanks guys. Guess I better go shoot the rest..

    Lacquer sure was easy...
     
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  7. Slopok
    Joined: Jan 30, 2012
    Posts: 2,653

    Slopok
    Member

    Whatever you do, Don't let set up in your gun!:eek:
     
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  8. guthriesmith
    Joined: Aug 17, 2006
    Posts: 5,374

    guthriesmith
    ALLIANCE MEMBER
    1. H.A.M.B. Chapel

    Yea...I only did that once... Paint remover became my friend, but that was a major mistake.
     
  9. blowby
    Joined: Dec 27, 2012
    Posts: 7,769

    blowby
    Member
    from Nicasio Ca

    Ha, yeah I went back out to spray the rest, already getting thick in the gun. Was a small load, maybe 1/4 cup to start with.
     
  10. oldolds
    Joined: Oct 18, 2010
    Posts: 3,169

    oldolds
    Member

    You can slow it down by putting it in the fridge. It might give you an hour or two. A paint rep taught me that trick.
     
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  11. And I'm told that $9.95 Harbor Freight guns are no good. Clean the gun first, mix paint, squirt it and through it away. Experts will argue that the finish won't be good, but you sand all the primer anyway. So I have 4 in the cabinet and nothing to paint yet.
    RB
     
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  12. big duece
    Joined: Jul 28, 2008
    Posts: 6,236

    big duece
    Member
    from kansas

    A "bachelor" paint rep? My wife would have my ass if I had 2k primer next to her lasagna...
     
  13. redo32
    Joined: Jul 16, 2008
    Posts: 1,832

    redo32
    Member

    You don't have a fridge in your shop?
     
  14. seb fontana
    Joined: Sep 1, 2005
    Posts: 7,035

    seb fontana
    Member
    from ct

    " I would read the can if there wasn't paint all over the directions""

    I can relate to that! I'd bet that I pour from the directions side of the can at least 90% of the time. Got no clue what makes me do that. I read the directions before I open the can but don't remember for vary long.:(
     
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  15. seb fontana
    Joined: Sep 1, 2005
    Posts: 7,035

    seb fontana
    Member
    from ct

    I prepared myself to have issues, used gun three times over 6 month period and never had issue, two part primer or finish Acrylic Enamel. Never had to throw away, so I got 5 or 6. IMG_0511.JPG
     
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  16. blowby
    Joined: Dec 27, 2012
    Posts: 7,769

    blowby
    Member
    from Nicasio Ca

    Well I finally, finally after 40 years of doing this off and on, got a couple of those rubbery bibs that hook on the lip of the can. Unfortunately I didn't get them until I bought the gallon of color, long after the primer. They work great.

    Nice little loader btw.

    If my wife ever baked a lasagna I'd paint the whole friggin' kitchen.
     
    Algoma56, loudbang, wraymen and 3 others like this.
  17. gimpyshotrods
    Joined: May 20, 2009
    Posts: 18,383

    gimpyshotrods
    ALLIANCE MEMBER

    Take a picture of the can label, before you open it.
     
  18. Fortunateson
    Joined: Apr 30, 2012
    Posts: 4,137

    Fortunateson
    Member

    It wouldn't probably work at the paint is going through a chemical reaction but I wonder if you shot some mig gas into the pot if it would slow down the processs...
     
  19. Put some parts in the dishwasher to distract her.
     
    alanp561 and loudbang like this.
  20. Plus if you do that,,,, usually you can zoom in so you can actually read it.
     
  21. rusty valley
    Joined: Oct 25, 2014
    Posts: 2,590

    rusty valley
    Member

    epoxy does not cure when less than 50 degrees. i never throw away that last little bit in the gun, it goes in the fridge for little touch up stuff. and, even a 1/2 a gun's worth will last in the fridge for two weeks, maybe longer, i havnt tried it. it looks normal after stirring, never know it was 2 weeks old. i like to add some new mix to it if i have enough parts to spray, but not necessary.
     
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  22. blowby
    Joined: Dec 27, 2012
    Posts: 7,769

    blowby
    Member
    from Nicasio Ca

    In four languages, spaced two paragraphs apart, in six columns, with italics and bold intermixed.

    Finding one bit of forgotten info can be a daunting task through a magnifying glass.
     
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  23. southcross2631
    Joined: Jan 20, 2013
    Posts: 4,414

    southcross2631
    Member

    I always cut the label off the can before I open it and put it away. Then mark the can so I know which label goes with which paint. I mark it on the side and on the bottom.
     
    john worden likes this.
  24. jbon64
    Joined: Jul 26, 2006
    Posts: 474

    jbon64
    ALLIANCE MEMBER

    i just shot some SPI 2 part primer today . tech sheet says have all of it done in 30 minutes. it does set up pretty quick , i've never tried the fridge method.
     
  25. jetnow1
    Joined: Jan 30, 2008
    Posts: 1,835

    jetnow1
    ALLIANCE MEMBER
    from CT
    1. A-D Truckers

    I dont think drinking that much beer to make room before painting would result in a good paint job.
    Good thing you sand most of it off.
     
    alanp561 likes this.

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