mixing epoxy - RC Groups
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Jan 04, 2006, 10:49 AM
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mixing epoxy

What is the best kind of cup to mix epoxy in? waxed paper cup or plastic cups?

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Jan 04, 2006, 11:15 AM
Frequent Flyer
wattsup_kz's Avatar
Waxed paper has the advantage of being disposable. I will often use flat finished cardboard (like a cereal box) to mix small batches of epoxy because I can use a flat scraper to get all the epoxy off, and it also is disposable.
My favorite epoxy applicator is a broken propellor.

Jan 04, 2006, 11:36 AM
Sam Talley
Ranger13's Avatar
You can also use the lid from a coffee can or yogurt container. Expoy will not stick to this type of plastic. The epoxy remaining on the lid can be peeled off when it hardens.
Jan 04, 2006, 12:12 PM
Registered User
It is best not to use any wax coated container as the wax will (and does) contaminate the mix. Even plain paper is better. Try to always use a very shallow container for mixing epoxies to prevent premature curing. A thick layer will heat up faster and self cure much quicker than a shallow container will.
Jan 04, 2006, 12:34 PM
Registered User
Thanks guys for the replies but what I intend to do is mix up an ounce of glue with some lead shot in it and pour that into the nose of my opus. Need to be able to squeeze the cup sides and make kind of a pouring spout out of it. I thought a waxed dixie cup would work, but I dont want the cup to melt and get glue everywhere, I will be using a thin epoxy that I think has a 45 minute set time.
Jan 04, 2006, 12:40 PM
Frequent Flyer
wattsup_kz's Avatar
What is the nose of your Opus made of? Could you use paraffin instead of epoxy, or would the heat do damage? Paraffin melts beween 45 and 67 degrees C. (113-152 degrees F) of course, if you are in a hot climate then paraffin would be a bad idea.

Jan 04, 2006, 01:30 PM
ronmar1's Avatar
If mixing larger quantities I use the small plactic "pill cups" like you see at the hospital. Most all hobby Shops carry them. Drug stores too.

If mixing small quantities I use a small tablets of "Post-its". You know the little stick up note tabs. Just use one and peal it off when done.


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