8 votes

Curing non-UV epoxy resin with a UV light?

Short answer: UV light won't affect the cure of non-UV resin. Strong UV may even discolor or degrade some types of non-UV resin. Longer Answer UV-curing resin works on a different mechanism. A one-...
  • 10.4k
7 votes
Accepted

How to dry out epoxy resin faster than usual?

To cure them more quickly you can either: use heat lamps or an electric heater over your resin pieces raise the temperature of the room they are in to say, 75 - 85°F / 24 - 30°C. If you do ...
7 votes

Giving epoxy resin an opaque color

In general, water-based products and epoxy don't mix well, and normal acrylics are water-based. Instead I'd try stirring in titanium dioxide powder (titanium white pigment). You probably wouldn't need ...
  • 5,228
6 votes
Accepted

Is epoxy a reasonable adhesive choice for repairing pottery?

epoxy seems like a reasonable choice Epoxies are really versatile and can give very strong results. It would have been the first thing I considered as well. since there are some gaps of around 1mm ...
  • 10.9k
6 votes
Accepted

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

You need something that's soluble in the liquid epoxy, or possibly a liquid that's miscible with it. Water isn't miscible with epoxy, and if you try too hard to mix it you'll produce cloudiness. I ...
  • 5,228
6 votes
Accepted

How to care for large epoxy tables and counters?

Some kinds of epoxy are not suited for any storage or work surface. There are special products marketed specifically for the purpose of coating counter tops or tables. The problems listed below are ...
  • 9,515
6 votes
Accepted

Giving epoxy resin an opaque color

I agree with Chris H's answer, and titanium dioxide powder is one of the best solutions (it's the go-to white pigment in most things; it's what is likely coloring the white acrylic paint, so you would ...
  • 10.4k
5 votes
Accepted

How can I make molded fake dirt?

Why not use real dirt? You can buy (or find) potting soil quite easily, which is relatively 'clean'. An alternative is coffee grounds. To make it as dark as regular soil, you can add a little black ...
  • 9,199
5 votes

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

I've done this myself successfully with alcohol inks. I use the ones from Ranger; Piñata's inks are likely to work as well. Avoid Sharpies as they tend to fade and change color over to time. I know ...
5 votes

Can I use epoxy to stabilize/restore 18th century giant pottery?

I'm not a conservator, so I cannot give you a definite answer. And the answer will depend on the value of the object. If this is a rare remnant of history, do not attempt any restoration and let a ...
  • 9,515
5 votes

Will two-part epoxy casting resin melt Lego?

Lego is ABS, which can have a range of melting points melts up to 200°C*. We should consider the lower end of the range just in case, which is often quoted as 105°C. Your resin shouldn't get that hot ...
  • 5,228
5 votes

What is the maximum amount of time I should leave between resin layer?

Resins differ but most recommend that you apply additional layers when the previous layer is firm but tacky to the touch. This can be minutes to hours after an initial pour but usually less than 24 ...
  • 3,195
5 votes

Is there a type of ink that dissolves in epoxy resin?

I've tried with some pens. I don't have casting epoxy, only slow epoxy glue (Araldite precision), but it's enough to demonstrate a problem or two within a few hours. A water-based overhead projector ...
  • 5,228
4 votes

Ways to cast a rod shape out of resin?

So assuming you want it solid and not hollow. I really think the comment Chris H made about the pre-cast acrylic rod would be a much better option financially and structurally. If you do want to go ...
4 votes
Accepted

Will commercially produced soap coated in epoxy resin last?

Once epoxy resin is cured, it's extremely stable and resilient against mechanical and chemical damage. It's impossible to dissolve cured resin in water, so your soap is well protected. Adding water ...
  • 9,515
4 votes

Create large objects from epoxy

A sink like that is more complex than it appears. The factory that makes it has invested in precision molds that get reused to make it cost effective. There are hidden parts like the overflow ...
  • 10.4k
4 votes

Can I mix acrylic paints into resin?

Yes, you can mix acrylic paint into resin (I assume you mean epoxy resin), but the results may wary from paint to paint. The general rules apply: You can mix wet ingredients (paints, inks) up to 10% ...
  • 9,515
4 votes

How can I make molded fake dirt?

Model train enthusiasts have to be creative to get the results they desire. Some of them can be really demanding, so I jumped out on the 'net to see how they do it. One site, cs.trains.com suggests ...
  • 6,588
4 votes

Comparison: epoxy resin vs. glass

About a year ago, I created a epoxy resin based river table for my dining room involving a couple of live-edged oak panels joined by a river made from several hundred dollars worth of metallic blue ...
  • 3,195
4 votes

Too Much Alcohol Ink, Overshooting the Color Too Dark

The best advice I can give you is to mix the ink with the hardener first, and then mix the tinted hardener with the epoxy. If you have epoxy that uses very little hardener (like "add 10 drops of ...
  • 9,515
4 votes
Accepted

Can two-part epoxy casting resin be diluted?

The miniature sealed inside implies you want clear resin so you can see the miniature (not a secret miniature that someone would take your word is in there). For this requirement, there really isn't ...
  • 10.4k
4 votes
Accepted

Rock Tumble Epoxy

You can definitely mix the quartz waste with epoxy. In fact, it can be mostly waste, with just enough epoxy to bind it together. Mix thoroughly so all of the quartz is covered with epoxy and there ...
  • 10.4k
4 votes

Simple as possible DIY box for making silicone molds

According to AeroMarine Products' page on moldmaking, (emphasis from source) Generally, silicone RTV mold making rubber does not stick to anything, and nothing will stick to it. The exception is that ...
  • 3,367
4 votes

Is there a type of ink that dissolves in epoxy resin?

There are 2 questions here: Is there an ink that's soluble in epoxy? Yes, see Chris H's answer for more details Can you cast a print in epoxy and make it dissolve just the right amount "so it ...
  • 9,515
3 votes

Create large objects from epoxy

Changing the door is going to be much easier than making a sink/basin from scratch. By far the simplest way is using a pelmet and sliding door on the outside of the bathroom. However, if you are ...
  • 603
3 votes
Accepted

How to fill gaps in spherical resin molding

Use a clear two part epoxy resin to fill the gouges. You can get one with a short drying time (5 minute epoxy) at most hardware stores or even the dollar store. Ensure if its a two part mold, not ...
3 votes
Accepted

Do I need safety equipment when working with epoxy resin?

First, you need to make a distinction for epoxies intended for an industrial environment. There are some kinds of epoxy, and some handling methods (like spraying epoxy for finishes), that are ...
  • 10.4k
3 votes
Accepted

Epoxy: adding fresh over cured

In my experience fresh epoxy will bond with already cured resin just fine. Both the cured and fresh epoxy should be the same chemicals. I have no experience with layering different types of resin. ...
  • 9,515
3 votes

Is epoxy a reasonable adhesive choice for repairing pottery?

By epoxy I presume you mean Araldite etc. Do not use this, it has too much bulk and you will never get a good fit. Use superglue to stick it together to begin with, and then you can fill the gaps with ...
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3 votes
Accepted

is there such a thing as a wide belt sander attached to a flex shaft?

The basic issue is the required power. Belt sanders are designed for aggressive removal of material. The larger the surface area that is sanded, the more power it takes. At 1/2" to 1" ...
  • 10.4k

Only top scored, non community-wiki answers of a minimum length are eligible