Reply by CaptainKlutz

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Posted on Arm R Seal Frustration

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3707 posts in 2374 days

#1 posted 02-08-2018 04:48 PM

Sorry to read about your finish problem. I love ArmRSeal, but once in awhile it drives me nuts as well.

For issues with streaking on large flat surfaces: only solution I have found that works 100% is to spray the final coats of ArmRSeal (I use a HF touch up gun). Using a foam brush with extremely light touch works on smaller surfaces. AND Avoid retouching the surface or you risk making new streaks.

One caution about ArmRSeal semi-gloss/Satin versions:

Semi-gloss/Satin versions use an additive to reduce the gloss. Besides the requirement to keep them stirred as the stuff settles to bottom,; If you apply many layers of non-gloss ArmRSeal, they can start to get “murky”/”Cloudy” and lose transparency.

Suggest that if you use more than 3-4 thin wiped on coats, or 2 heavier brushed on coats; then best to use gloss version of ArmRSeal for base layers in order to maintain high level of transparency and not mask wood grain. Then use the semi-gloss/satin version to achieve the desired gloss level once you achieve the desired film build.

As others have said, achieving a semi-gloss finish on ArmRSeal is easy: Once it has fully cured, buff it out with 0000 pad and some paste wax. I only buy gloss version of ArmRSeal any more, unless I have a complicated project where rubbing out every surface requires more time than another coat of finish.

Another Caution about using mineral spirits (MS) to thin ArmRSeal (or any varnish):

The latest versions of environmentally safe low odor MS can commonly have alcohol, water or other unwanted solvents in them. These unwanted solvents will wreak havoc on oil based finish (creating milky film, streaking, bubbles, etc).
If you want to thin an oil based varnish, it is best to use a classic Gum Spirits Turpentine, Paint Thinner, or another type of pure 'White Spirit' Mineral Solvent .

Always use proper safety equipment around solvents and finishes. :)

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

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