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MAS FLAG Epoxy Resin is a medium body epoxy specifically designed to be used as an adhesive and structural laminating foundation. It's thicker formula resists sagging in vertical applications. Medium viscosity works well with fillers when fairing putties, gluing slurries and filleting systems are required.
When mixed with medium hardener, FLAG is more reactive than low viscosity MAS resin. This keeps fillets and fairing compounds from slumping. FLAG resin can be sanded the next day when cured at 60 degrees F or warmer with Medium Hardener. Use with all MAS hardeners. Note: For filled applications, we recommend using MAS Medium Hardener.
We highly recommend this resin for general purpose gluing applications where wet-out of fiberglass is not a consideration, and for filleting and fairing.
Available in Quart, Half Gallon, Gallon, 4 Gallon, and larger sizes.
- Technical Specifications
- Performance
Use protective gloves when working with this product. Use soap and water or white vinegar to clean your hands. Use Denatured Alcohol to clean your tools.
Reviews for MAS FLAG Epoxy Resin
August 13, 2015
Verified Purchase
We are building a 25 foot shanty boat with this product. I did some glass work on my 57 beetle floor pans.
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May 19, 2015
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Set times are very predictable...great as a glue and for sheething.
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March 31, 2014
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I use MAS for fiber glassing and for bonding urethane's for mold machining.
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March 27, 2014
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We are redoing the decks on an Alberg 35. There was quite a bit of delamination and water damage. We have cut out bad areas and reglassed. Mas is extremely easy to mix and use. We have used over 5 gal so far.
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February 27, 2012
It's easier to pour in large amounts and is forgiving when your measuring isn't right on.
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May 11, 2010
Very usable odor-free product. Good pot life and strong too. Be careful with the resin pump though -- FLAG resin is thicker, so the pump return stroke is slower. Rushing the pump may reduce the amount of resin in the mix.
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February 16, 2010
This is a great product. We are rebuilding the deck on a Alberg 35. This product has a long working time when mixed with the slow hardner or medium hardner. It has no odor and can actually be cleaned up with white vinegar. It is sandable too.
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October 13, 2009
I have used MAS epoxies to build 2 wood kayaks and repair 4 sailboats. The kayak went down the Missouri River in 2003 and is still functional and beautiful today.
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October 9, 2008
Best barrier coat ever used, no extra labor to scuff and clean between coats.
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