Medium and fine grade paint straining funnels are used to purify the paint or varnish when pouring from the can into a paint pot. They are also used to regulate the consistency of paint or varnish. Available in packs of (10) or bags of (250).
Medium Strainers: 260 Microns
Fine Strainers: 190 Microns
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Strainers and Cloths
These are not folded in the packaging are they?
No they are open in a bag.
JD Tech Team
Fine or medium for straining Epifanes varnish?
I have purchased both: Fine for all varnishes and coarse for paints. I never strain when I open a fresh can but I do for every succeeding use.
I think I used the medium for straining. It has been years now. What I do remember best though, is that the foam brushes worked well, much better than the boar bristle brushes that left residue and dirt specks if not cleaned thoroughly. The foam brushes can be thrown out. Also, use a separate container as you apply the varnish. You do not want to get dirt in your fresh can of varnish. You might want to practice on a board the first time since splatters on the wood remain there if you are not careful. The set-up time is quick and is not like latex paint, which can be gone over after five minutes and is still not set. So, practice on scrap first. I had a dehumidifier set up to control humidity as well.
We use a catalyzed conversion varnish (clear & pigmented) and are very happy with the fine strainers. Never worked with the Epifanes Varnish.Doug
Usually medium, Epifanes it a little thick.
Thanks, I've actually been varnishing for years and ran out of filters. I could not remember what I had previously bought. So thanks for your guidance. I do agree with you about foam brushes. I buy them by the box from Jamestown.
What is the micron size of the fine and medium filter media?
I'm not sure of the micron size of the openings. I use these disposable strainers for varnish, old varnish and fresh out of the can new varnish because I'm very picky and I have never found any contaminants in my strained varnish.
Do I need a fine or medium strainer for stain, then polyurethane?
I use a fine strainer for polyutherane, which I normally spray on my cabinets and boxes.Walter
WALTER H DITTRICH
I think if i had any question I would go with the medium. Lots of people don't even use strainers so you are taking it to a higher level already. I would think that both would work except fine filter would run much more slowly.
Works well excellent price
Best for staining varnish that was stored after prior use.
Cream Ridge, NJ
I use these filters while making essential oils and hydrosols, they work great.
Quality filter with great service
We filter ceramic coatings used on header coatings