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  1. #1
    kenh3497's Avatar
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    epoxy mixing containers

    I think??? I remember reading someplace to never mix epoxy in a container in which food was stored. I have a bunch of the plastic cups that yogurt came in. The "good" kind not affected by solvents, at least not acetone or lacquer thinner. All have been thoroughly washed in hot soapy water. Before I ruin a batch of epoxy (glassing a whole airplane)..... Use them or not?

    Thanks!

    Ken
    Sent from my Dry-Erase-Board

  2. #2
    speedracerntrixie's Avatar
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    RE: epoxy mixing containers

    I wouldn't risk it, I buy foam drinking cups. They cost about 3.00 for 50

  3. #3

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    RE: epoxy mixing containers

    For what it's worth, I use all kinds of food packaging as mixing cups.  My wife washes them thoroughly.  I've never had a problem....and I'm pretty anal about stuff.

  4. #4

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    RE: epoxy mixing containers


    ORIGINAL: kenh3497

    I think??? I remember reading someplace to never mix epoxy in a container in which food was stored. I have a bunch of the plastic cups that yogurt came in. The ''good'' kind not affected by solvents, at least not acetone or lacquer thinner. All have been thoroughly washed in hot soapy water. Before I ruin a batch of epoxy (glassing a whole airplane)..... Use them or not?

    Thanks!

    Ken
    I use clean yogurt cups all the time they work great, and when the adhesive hardens its easy to pop the hardened material out,I get about 4-5 mixes out of one cup before it gets a bit beat up and then I get a new one.

    having 2 young boys gives me a endless supply of cups to use for various uses mixing epoxy,paint,I even use them for sorting screws there handy.

    so yes there fine to use for mixing epoxy

  5. #5

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    RE: epoxy mixing containers

    Food containers work pretty well PROVIDED they aren't wax coated. Don't mix epoxy in anything waxed.

  6. #6
    kenh3497's Avatar
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    RE: epoxy mixing containers


    ORIGINAL: pdm52956

    Food containers work pretty well PROVIDED they aren't wax coated. Don't mix epoxy in anything waxed.

    Now that rings a bell! Yes, it was the waxed containers that were the problem. I feel much better now

    Thanks!!

    Ken
    Sent from my Dry-Erase-Board

  7. #7
    dreadnaut's Avatar
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    RE: epoxy mixing containers

    I use the smallest plastic "Solo" cups from the grocery store. I don't eat enough yogurt to get a good supply of those.
    Cali is a city in Colombia
    I\'\'m from California.

  8. #8
    invertmast's Avatar
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    RE: epoxy mixing containers

    Paper mixing cups from aircraft spruce. I just bought 100 8oz cups for like $18 shippdd
    Thomas W.
    Euro-sport Evo, Scratch built 1/7 F-14D Tomcat, 26.5% Gee Bee R2

  9. #9
    Scorpion Racing's Avatar
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    RE: epoxy mixing containers

    I use the 4oz disposable plastic bathroom cups form Walmart. I also got a couple of the silicon baking cups that work very well and are easy to clean up too.

    Scott Smith
    Scott Smith
    NMPRA 86t - District 7 VP

  10. #10
    Scorpion Racing's Avatar
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    RE: epoxy mixing containers

    [:@]
    Scott Smith
    NMPRA 86t - District 7 VP

  11. #11
    AmishWarlord's Avatar
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    RE: epoxy mixing containers

    I saw this tip in one of the RC mags this month. Communion Cups

    http://www.ebay.com/itm/Communion-Cu...item45fcfcb996

    1,000 mixing cups for only $22 bucks shipped!





  12. #12
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    RE: epoxy mixing containers

    Ken,

    All you really have to be sure of is that the container has no wax. In my production I use 2 oz Dixi solo bathroom cups. They are cheap and unwaxed and available almost anywhere. Rarely will you mix up more that 2 Oz of epoxy unless you are doing a large layup. Fiberglass layup has a learning curve... just take your time and read all the instructions multiple times. The mistakes are REALLY troublesome and time consuming.

    Dan

    Dan Hines
    Carolina Custom Aircraft

  13. #13
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    RE: epoxy mixing containers

    If you have a lot of work to do with low viscosity epoxy, pour it onto a plastic picnic plate to delay hardening while you work.

    If you are mixing small batches of thicker epoxy for building / repairs, just use Model Aviation magazine for that.
    WHO GUNNA FEED MAW KEEEIDS..???

  14. #14
    AmishWarlord's Avatar
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    RE: epoxy mixing containers

    LOL I used to do that actually the magazine has gotten much better over the years.


  15. #15
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    RE: epoxy mixing containers

    I agree. The pages are thicker and make it easier to mix batches up now.......
    WHO GUNNA FEED MAW KEEEIDS..???

  16. #16
    Mods-R-Me's Avatar
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    RE: epoxy mixing containers

    I use "jello shot" cups from walmart for small amounts.
    Kelvin \"Mods\"

  17. #17
    kenh3497's Avatar
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    RE: epoxy mixing containers

    I'm getting ready to glass my rebuilt H9 CAP 232. Just finished the rebuild tonight so in the next few days, after getting all the dents etc. filled will commence on that project. Thanks for all the advice.

    Sent from my Dry-Erase-Board

  18. #18
    BD5wingnut's Avatar
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    RE: epoxy mixing containers

    Stay away from Waxed cups always. Plastic (solo) and foam cups only work for epoxy resins, both will fail when using Poly or Vinyl esters. Some food containers will survive the esters too. I use plasticized paper cups they are reasonably priced, someone mentioned Aircraft Spruce which I have used in the past but I have a local source too.
    Aircraft operate best when flown in the middle... Ground too low. Space too high.

  19. #19
    vertical grimmace's Avatar
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    RE: epoxy mixing containers


    ORIGINAL: AmishWarlord

    I saw this tip in one of the RC mags this month. Communion Cups

    http://www.ebay.com/itm/Communion-Cu...item45fcfcb996

    1,000 mixing cups for only $22 bucks shipped!




    These for sure would not work on my blasphemous aircraft!
    \"let\'\'\'\'s just say, they will be satisfied with less\" Ming the Merciless

  20. #20
    BD5wingnut's Avatar
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    RE: epoxy mixing containers

    Try your local supermarket, they usually carry paper cups. Just make sure they are not waxed, but the ones with a shiny film inside (plasticized) are fine.

    Peace, Wolf
    Aircraft operate best when flown in the middle... Ground too low. Space too high.

  21. #21

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    RE: epoxy mixing containers

    I use the plastic lids from margarine containers or other containers that come with plastic lids...You can flex the lids to clean and reuse them after the epoxy sets too. The containers also come in handy ... I find the lids work well because they come in a few different sizes and they have that lip around the outside that contains the epoxy and also gives you a edge to scrape your brush or stickagainst if you need to .. My buddy always uses the old Sears catalogue , a page at a time..That works great too. Maybe even better in some ways. There is never any cleanup..Unless you clean your brush like I do...
    Ken , Biker BC Cub Brother #6 Ultra Sport Brother # 100 Tiger Club # 7 Pulse Brother # 1 Sig Brother # 58 Top Flight Brother # 9

  22. #22
    Jackjet's Avatar
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    RE: epoxy mixing containers

    mc donals or burger king paper katsup cups they work great



    jackjet
    Jack Jet Williams
    Apple Valley,Ca


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