Questions tagged [epoxy-resin]

For questions regarding the use of casting epoxies, including selection, handling, molding, and modification.

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4
votes
1answer
332 views

Curing non-UV epoxy resin with a UV light?

I'm creating simple alphabet letters using normal household 2-part resin. It seems to be taking forever and a day to cure. I know things such as lamps and turning up the heating can accelerate curing ...
2
votes
1answer
91 views

Comparison: epoxy resin vs. glass

I wonder how does epoxy resin compare to glass. I have in mind at least: mechanical strength; elasticity / bending; "break-ability" others. The source for this "curiosity" is the ...
2
votes
1answer
73 views

Can I mix acrylic paints into resin?

I use resin a lot and have pigments for them as well. These are extremely expensive though. Is it a good idea to mix acrylic with resin? Has anyone done this? If yes I'd like to know how it turned out ...
4
votes
1answer
198 views

How do I remove modelling clay from my parts and silicone mold?

I've just created my first silicone mould, well, the first part of a two part mould. I've used OOmOO 30, which is great. However, I've used a modelling clay called Sculpey III to raise parts in the ...
1
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2answers
1k views

How can I make molded fake dirt?

I'm planning to sell small pots and as part of my display I'd like to "plant" fake plants in some of them. I'd like it to look as real as possible, so my goal is to have the plant "growing" out of a ...
0
votes
4answers
80 views

Can epoxy fluidity be changed, before it is cured?

For this kind of project I have in mind using epoxy of different viscosity: to create the "base structure" use (very) viscous epoxy - especially for the curved area; I could shape it like I could ...
3
votes
1answer
401 views

Do I need safety equipment when working with epoxy resin?

I saw a lot of Youtube videos about people creating jewelry and artwork with epoxy resin. Most of them do not wear any gloves or other safety equipment, but some do. Recently I saw a video of a ...
1
vote
1answer
91 views

Create large objects from epoxy

I purchased an apartment some time ago, all the repairs are mostly finished. Because of some oversight, I am not in a lose-lose situation. In the bathroom, I do not have enough space for the sink that ...
2
votes
1answer
64 views

Epoxy: adding fresh over cured

I have read in several places that adding fresh silicone over cured one will not work, as the new silicone will not adhere to the old. The question is: if I create some object of epoxy resins, can I ...
2
votes
2answers
102 views

Does epoxy's final bond strength depend on its rated cure time?

I've been building a decently strength-sensitive project and received conflicting advice regarding the final bond strength of epoxies. I've heard some say that bond strength has nothing to do with ...
5
votes
1answer
143 views

Will 20 psi get out air bubbles when resin casting? [closed]

I’ve been trying to figure out how much psi I need to get air bubbles out of resin when casting. Does anyone have experience with this? Can anyone tell me what amount of pressure will get rid of air ...
5
votes
2answers
176 views

Transparent resin to fill small acrylic plastic container?

I have a small clear acrylic plastic container, roughly spherical and about 1.5 cubic inches in volume, with a 1/4-inch wall and thinning to about 2mm at the top edge (near the 1-inch diameter lip). I ...
6
votes
2answers
656 views

How to fill gaps in spherical resin molding

I'm planning on casting an object in clear resin using a spherical silicone mold and did a test to see what I'd have to expect. It's came out quite well - better than I thought it would! - but around ...
5
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3answers
3k views

How to dye or tint epoxy resin to produce translucent colors?

A while ago I started crafting with epoxy resin. At first I just coated objects with clear resin, but recently I experimented with adding colors to it. I got nice results with powders (like glittery ...
3
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2answers
4k views

How to dry out epoxy resin faster than usual?

I made MDF coasters and decorated them using epoxy resin with attractive colors and pearl powder. It took 25-30 hours to completely dry out. In the meantime, few dust particles settled on it and I ...
2
votes
1answer
188 views

Will commercially produced soap coated in epoxy resin last?

I have started to resin-coat certain novelty soaps. I first coat in mod podge, then I give it 2 layers of epoxy glass resin. It is looking fabulous, but someone told me that soap has too much water in ...
5
votes
2answers
97 views

Is epoxy a reasonable adhesive choice for repairing pottery?

I need to repair a cracked pottery bowl - an epoxy seems like a reasonable choice since there are some gaps of around 1mm width. The material seems fairly porous, and is maybe 3-4mm thick. Obviously ...
3
votes
2answers
1k views

Ways to cast a rod shape out of resin?

I'm looking for a way to cast a rod out of clear epoxy resin. (I want to make a fake lightsaber.) The most obvious way would be to use a hollow cylinder-shaped mold, but I'm wondering if I have ...