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Old 11-25-2017, 08:19 PM
E. D. Eliot E. D. Eliot is offline
Join Date: Dec 2005
Location: San Pedro
Posts: 924
Default White Tint for Epoxy

Posting this question for the group as I can't fine the answer with the search mode here. I'll bet that the answer is here, I just can't find it - sorry.

I'm going to put a final coat of epoxy inside of my cowling and want to use white as it will show fluid leaks, etc., well.

Went down to West Marine hoping that they would have the answer as to which product to use and they said that they couldn't recommend any of their products for my cowling interior.

Tried Home Depot. They gave me about 1/3 pint of their fluid tint that they use to color the paint that they sell. This is right out of the tinting machine and is water soluable. It mixes well with my West Systems epoxy so I gave it a test try on a small area inside of my cowling a couple of hours ago.

My question is have any of you used this tinting product from Home Depot and did it work out ok? is there a better product to use as a tint? Please advise. Thanks very much.
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Old 11-25-2017, 08:41 PM
rv9builder rv9builder is offline
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Location: Irvine, CA
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Two possibilities:
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Old 11-25-2017, 09:44 PM
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DrillBit DrillBit is offline
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Location: Pleasanton, CA
Posts: 153

I used the stuff from Tap Plastics. Local store, no mail order delay.
Kurt Haller
P-town, CA (10 min from KLVK!)
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Old 11-25-2017, 10:16 PM
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bruceh bruceh is offline
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Location: Ramona, CA
Posts: 2,185

I used the West System 501. It worked great and is meant to be mixed with their epoxies.
Bruce Hill
RV-9A N5771H flown over 600 hours!
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Old 11-26-2017, 04:09 AM
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mike newall mike newall is offline
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Artists acrylic paint - cheap, simple, works.
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Old 11-26-2017, 04:18 AM
Dean Pichon Dean Pichon is offline
Join Date: May 2006
Posts: 480

Titanium dioxide is the most common pigment used to make paint (or epoxy resin) white. The water soluble solution from Home Depot likely uses this pigment, but I would be hesitant to add it to a non-water based resin. You should be able to find powdered titanium dioxide such as the West material referenced in an earlier post.

Good luck,
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Old 11-26-2017, 09:43 AM
E. D. Eliot E. D. Eliot is offline
Join Date: Dec 2005
Location: San Pedro
Posts: 924
Default Thank you

I appreciate all of the info given. I'll head back to West Marine today and see if they have 501 since it seems to be the safest appropriate answer. Thanks again - Ed Eliot
Building finally
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Old 11-26-2017, 11:42 AM
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robertahegy robertahegy is offline
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Location: East Troy, WI
Posts: 1,950

System Three also sells tints for epoxy resins.

Roberta Hegy
Built/Flew an RV-7A
Air Troy Estates, East Troy, WI
Ford Expedition and TRICE "Q"
Built Glen L "ZIP" Classic Outboard Runabout and Super Spartan Hydroplane
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Old 11-26-2017, 11:53 AM
tim2542 tim2542 is offline
Join Date: Aug 2009
Location: Redding,Ca
Posts: 633

Iíd suggest just a good quality epoxy paint in gloss. Thatís all I have on my Cozy cowls and it cleans nice but needs a little scrubbing to get into the weave. Anything else you do will add weight.
If thatís not important you can fill the weave with dry micro, sand, wipe with West epoxy to fill pin holes and paint as above. The micro wil be white, but still needs to be sealed with a good epoxy paint.
Gel coat would be a good choice except itís heavy.
Tim Andres
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Old 11-26-2017, 11:28 PM
E. D. Eliot E. D. Eliot is offline
Join Date: Dec 2005
Location: San Pedro
Posts: 924
Default Update - today

As many of you suggested, the Home Depot tint did not work. Mixed up ok but I was not happy with the somewhat rough finish. It's in the 70s here and the epoxy took about 24 hours to set up which is slow here.

Went back to the West Marine store and they did not have the 4oz container in stock. But for $24 plus tax, they would have been happy to sell me enough tint to do 3-4 gallons of epoxy. They weren't particularly interested in my business so I ordered the West Systems white tint on line.

Incidentally, if any of you have recommendation on which roller or paint brush with WS epoxy, I'm all ears. I'd like to finish the inside of my cowl in a high gloss, smooth finish. Suggestions please. Thanks, Ed Eliot
Building finally
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