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8 votes
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What causes frosting when applying a varnish?

What system are you using? Airbrush or bottle spray? I have experienced a lot of frosting when applying varnish in humid environments. I have observed more frosting with spray bottles compared to ...
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  • 1,295
7 votes

Beeswax applied as varnish is still tacky

The only beeswax product by Michael Harding I was able to find is Beeswax paste, which has a "high oil content" as it is mixed with linseed stand oil, explaining the long drying time. This product is ...
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  • 8,794
4 votes

Water based ink durability on canvas

Some pigments used in inks are UV sensitive and disappear rather quickly when exposed to sunlight, others remain unaffected. Having in mind the colours you need, make some research about which ...
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3 votes
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Varnish for acrylic painting

It seems to me you shouldn't use wood varnish in the first place, which is a product intended for varnishing wood, where discolouration is usually not a big problem (yellowing isn't that obvious when ...
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  • 8,794
3 votes

How do I remove mod podge bubbles from an irregular surface?

Sources of bubbles Mod Podge doesn't contain solvents that degas and create bubbles in the finish. If you are getting bubbles in the finish, it's either because of air bubbles that got mixed into ...
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  • 9,685
3 votes

How to add paint to the bottom and stain/varnish to the top of a wood project?

I have crossed this situation where clients want to stain their banisters and paint the spindles. In such cases, we stain first, then tape off the banister and paint the spindles. Note: You can stain ...
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2 votes

Varnish with flash point over 40 °C — safe on painted mugs when heated?

Honestly, you should be using glaze and not varnish. I get that you're just trying to protect a painting outside the mug, but even if you just wash it by hand, a varnish is likely going to break down ...
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2 votes

Weatherproofing metal

i've been decorating some metal mailboxes which have been outdoors for 1.5 years and are still looking good. the process i started by removing old paint/lacquer that was about to fall off. i did ...
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2 votes
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Can I use Aquadur PU or Camlin Picture Varnish Oil color as a varnish for my acrylic paintings?

Asian Aquadur PU is a wood varnish, which is something you already asked about here. These products are not made for varnishing paintings, so you can expect yellowing (and other detrimental ...
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  • 8,794
1 vote
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How do I get a perfect finish to hair clips painted with acrylic paint?

A transparent protective layer would be ideal. I propose acryllic based coatings because they bond well with the painting and are soft enough to not chip away when bumped into. They are also elastic ...
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  • 8,535
1 vote

Weatherproofing metal

You said that you will be painting the ground galvanized metal. If you use outdoor weatherproof paint, then you will be weatherproofing your material for the length of time indicated in the tin.
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1 vote

Ceramics and shellac

With the first coat you should dissolve the crushed shellac flakes in denatured alcohol with a bit more shellac than usual, and stir in an emulsion of premixed marble dust, a touch of linseed oil and ...
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