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Epoxy pigment to mimic brick dust colored cutlers resin?


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You can add liquid watercolors like Doc Martins or you can find powdered pigment that they add to concrete to change its color.
I have no doubt that any powdered pigment will work.
Don't use a 5 minute epoxy.
It sets too fast to get your color mixed in.

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I have used red and black iron ore, they work fine.
I have used fine wood grindings, mixed with metal grindings from my grinder. Those work great as well.

I would think the pottery dust, would work just fine.

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In my experience, powders generally work. I've used ground up rock, iron powder, saw dust, charcoal dust, sanding dust from antler. You can work with 5-minute if you mix the powder into one of the components before mixing the two parts together (I avoid 5 minute because I don't work fast enough to get it where I want it before it sets).

 

Frequently the result will be a little darker than the powder (although a dark pigment may be lighter). It is possible to mix enough powder in to weaken the final result. Testing with a small amount to check color and that the epoxy sets correctly is advised.

 

 

ron

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Probably just iron oxide, but I'll bet that Quikrete concrete pigment would work.

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What is locally available will depend on your locality. The common stuff when I am (from hardware stores and craft stores) tends to be rather thick (think honey). I generally buy the smallest bottle of whatever is 30 minute or longer. I haven't had problems with newly purchased epoxy regardless of the brand.

 

ron

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If you have a Woodcraft or if the real hobby store is good, I like T-88 two part epoxy by System 3. It comes in six ounce bottles as well as the twin tube plunger. Oh, and for brick dust (brilliant answer, Dan), you have a hammer and bricks...

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I wasn't being facetious. You can get 25kg bags of brick dust (in this country) from builders merchants. It's for colouring cement/mortar/grout/cutler's resin/whatever.

I ended buying some from a modellers (trains, etc.??) supply. Didn't need 25kg.

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