I have colored epoxy using artists oil colors. Any art supply store has
hundreds of colors available. The colored epoxy handles and finishes
exactly like neutral epoxy.
Dave

"Dave W" wrote in message
...
I have colored epoxy using artists oil colors. Any art supply store has
hundreds of colors available. The colored epoxy handles and finishes
exactly like neutral epoxy.
Dave

How dark (dense) have you tinted to?
Dark enough to cover other colors already present?
Would this give some degree of UV protection?
thanks



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Yes, epoxy can be tinted, but that doesn't completely solve epoxy's
deterioration in sunlight. I'd use tinted epoxy only in places where the
sun don't shine, like in lockers & lazarettes, and under a paint finish.
"Just Us" wrote in message
...

"Dave W" wrote in message
...
I have colored epoxy using artists oil colors. Any art supply store has
hundreds of colors available. The colored epoxy handles and finishes
exactly like neutral epoxy.
Dave

How dark (dense) have you tinted to?
Dark enough to cover other colors already present?
Would this give some degree of UV protection?
thanks



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I don't know about the degree of UV protection offered by tinting. In terms
of how dark can one tint, I have added black color to make the epoxy as dark
as ebony. By the way, I have had a test sample of epoxy and fiberglass
scarfed plywood in the bed of my truck for four years with no apparent loss
in strength of the joint. The (clear) epoxy has yellowed a bit but the joint
seems to be very strong.
Dave

System Three says that no pigment or filler provides adequate UV protection.
The UV will break down the outer layers first, and depending on which filler
and how densely it was added, the UV will penetrate further too. The joint
(below) is protected from UV by the wood. Best idea for epoxy coatings is
to add a UV coating on the outside. And even with that, if it's a clear
coat then the UV inhibitors do get used up and the clear coat itself needs
renewing now and then. Paint or gelcoat is better.

Brian


"Dave W" wrote in message
...
I don't know about the degree of UV protection offered by tinting. In
terms of how dark can one tint, I have added black color to make the epoxy
as dark as ebony. By the way, I have had a test sample of epoxy and
fiberglass scarfed plywood in the bed of my truck for four years with no
apparent loss in strength of the joint. The (clear) epoxy has yellowed a
bit but the joint seems to be very strong.
Dave

If the strength of the epoxy is important, do NOT color it dark, at least
not if it will be in the sun. Dark colors get hotter and the epoxy loses
significant strength at even mildly elevated temperatures.

Military uses; e.g. fighter aircraft skin, involve epoxy that is oven cured
to withstand higher temperatures -- a touchy process and a major investment.

Roger

http://home.earthlink.net/~derbyrm

"Dave W" wrote in message
...
I don't know about the degree of UV protection offered by tinting. In
terms of how dark can one tint, I have added black color to make the epoxy
as dark as ebony. By the way, I have had a test sample of epoxy and
fiberglass scarfed plywood in the bed of my truck for four years with no
apparent loss in strength of the joint. The (clear) epoxy has yellowed a
bit but the joint seems to be very strong.
Dave