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epoxy mixing containers

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Old 01-31-2012, 07:04 PM
  #1
kenh3497
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Default 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
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Old 01-31-2012, 07:13 PM
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Default RE: epoxy mixing containers

I wouldn't risk it, I buy foam drinking cups. They cost about 3.00 for 50
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Old 01-31-2012, 09:57 PM
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Default 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.
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Old 02-01-2012, 01:14 AM
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Default RE: epoxy mixing containers


Quote:
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
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Old 02-01-2012, 04:12 AM
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Default RE: epoxy mixing containers

Food containers work pretty well PROVIDED they aren't wax coated. Don't mix epoxy in anything waxed.
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Old 02-01-2012, 06:14 AM
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Default RE: epoxy mixing containers


Quote:
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
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Old 02-01-2012, 12:59 PM
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Default 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.
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Old 02-02-2012, 11:24 AM
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Default RE: epoxy mixing containers

Paper mixing cups from aircraft spruce. I just bought 100 8oz cups for like $18 shippdd
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Old 02-02-2012, 12:57 PM
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Default 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
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Old 02-02-2012, 12:58 PM
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[:@]
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Old 02-02-2012, 01:07 PM
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Default 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!




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Old 02-03-2012, 06:48 AM
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Default 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

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Old 02-04-2012, 08:33 AM
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Default 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.
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Old 02-04-2012, 08:47 AM
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Default RE: epoxy mixing containers

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

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Old 02-04-2012, 09:06 AM
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Default RE: epoxy mixing containers

I agree. The pages are thicker and make it easier to mix batches up now.......
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Old 02-04-2012, 03:22 PM
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Default RE: epoxy mixing containers

I use "jello shot" cups from walmart for small amounts.
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Old 02-05-2012, 06:12 PM
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Default 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.

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Old 02-15-2012, 05:53 PM
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Default 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.
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Old 04-16-2012, 07:38 PM
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Default RE: epoxy mixing containers


Quote:
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!
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Old 04-17-2012, 10:48 AM
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Default 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
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Old 05-11-2012, 06:05 AM
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Default 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...
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Old 12-17-2012, 04:04 PM
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Default RE: epoxy mixing containers

mc donals or burger king paper katsup cups they work great



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