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Epoxy Glues

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Blog entry by JimWhip posted 04-06-2017 10:10 PM 454 reads 0 times favorited 6 comments Add to Favorites Watch

Hello fellow woodworkers. Can anyone recommend a good two part epoxy glue for filling cracks and voids in wood? I don’t use a lot of epoxy so I don’t want to purchase the West System as I don’t know the shelf life of that product and is way more then I would use in a long time.
I’m looking for something that is dark amber in color to fill cracks and will sand well. Is there anything out there that I can buy in a small quantity?

Jim Whip

-- Jim Whip



6 comments so far

View JayCee123's profile

JayCee123

196 posts in 517 days


#1 posted 04-06-2017 10:30 PM

I’ve used epoxies from 3M, Gorilla & Locktite. All of these suppliers offer small quantity packages, however the epoxy was clear. I have been able to tint them to various degrees, to essentially black with no adverse effects on their cure

View swirt's profile

swirt

2294 posts in 2724 days


#2 posted 04-07-2017 01:27 AM

I have used Bob Smith epoxies both the 5 minute, 15minute and 30 minute varieties. They are quite clear and accept a variety of tints. Maybe it is the the temp and humidity here in florida but I find their working times to be about half what the package claims. The 5 minute is too fast for void filling. The 15 is about 7 minutes and the 10 is about 15. The quantity is nice and they are priced well.
Sometimes I find them to be too brittle though and will sometimes crack when I am using a scraper to scrape off the exposed layer that sticks above the wood.

My new favorite for knot and crack filling is Alumilite Amazing Clear Cast. For not much more than money than the cost of two hardware store epoxies, you get 16 oz of resin. It has a working time of close to an hour and takes 12 hours to begin to get solid… a full 24 to cure hard. The advantage is, it really seeps into knots or voids and forms a nice self leveling pour with plenty of time for the air bubbles to escape. Scrape it level at the 12 hour mark and sand after the 24 hour mark. Can also use it for a finish if you want to. A really nice product. I have colored it black, green and gold with dry pigment.

-- Galootish log blog, http://www.timberframe-tools.com

View Bumpy's profile

Bumpy

29 posts in 233 days


#3 posted 04-07-2017 10:42 AM

West, great for so many uses. It is expensive, but worth the money. Shelf life is about 6 months after opening, but I have used it far longer than that without any issues. With the tinted filler, and additives, you can go from a filler, to fiberglass repair.

View abie's profile

abie

864 posts in 3523 days


#4 posted 04-07-2017 01:48 PM

HF sells small quantities as does the firm that sells CA glue for wood workers I don’ know the name as my glue in in my shop minutes away

-- Bruce. a mind is like a book it is only useful when open.

View LittleBlackDuck's profile

LittleBlackDuck

1118 posts in 573 days


#5 posted 04-07-2017 02:03 PM

Hi JimWhip, Can’t help with the amber however if you are looking for a small quantity and happy with contrast, may I suggest charcoal mixed with CA glue.. Creates a great contrasting finish and sands well. However the superglues dries fast so you might have to repeat the process a few times.
This is it’s use on a BOOMBY,

the charcoal and CA are the black contrasts in the timber.

-- If your first cut is too short... Take the second cut from the longer end... LBD

View JimWhip's profile

JimWhip

16 posts in 932 days


#6 posted 04-08-2017 04:06 PM

Thanks for all the input guys. After some research I’ve decided to go with the System 3, T-88. It is a clear epoxy but I going to tint it amber with a drop of Trans-Tint dye. It’s a half pint kit for $18.00 at Woodcraft. Cure time is over night and I can live with that. I have found that most quick curing epoxy glues are strong but they are brittle which makes them break. Longer curing epoxy’s retain their strength better. Trans- Tint says adding the tint to the glue will not have any effect on it. Not sure of the shelf life on the T-88 but for the price I won’t be out much if it does go bad.

May the grain be with you all,

Jim

-- Jim Whip

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