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View AAANDRRREW's profile

Priming oak with water based primer - tanin issue

by AAANDRRREW
posted 07-20-2017 01:52 PM


8 replies so far

View rwyoung's profile

rwyoung

412 posts in 3832 days


#1 posted 07-20-2017 05:10 PM

Zinser BIN primer/sealer. The stuff with real shellac, not the waterbased or “artifical shellac” stuff. Doesn’t smell (much), easy cleanup, dries quick, sands easily and seals well. Compatible with most topcoats.

-- Don't sweat the petty things and don't pet the sweaty things.

View AAANDRRREW's profile

AAANDRRREW

216 posts in 1533 days


#2 posted 07-20-2017 05:13 PM

So, the BIN – I saw it on the shelf. Assuming clean up with mineral spirits? Sprayable? I got great results shooting the 1-2-3 with a little bit of water and floetrol

View OSU55's profile

OSU55

2247 posts in 2350 days


#3 posted 07-20-2017 07:29 PM

Clean up with dna. Sprays well, may need to thin with dna depending on your spray method. Excellent primer.

View Fred Hargis's profile

Fred Hargis

5505 posts in 2854 days


#4 posted 07-20-2017 08:09 PM

Just a suggestion, I’d clean with household ammonia. It absolutely destroys shellac, rendering the brushes, spray guns, whatever truly clean. DNA will dilute it, but at least in my experience) always leaves some trace amount behind. Just mix a cupful with some warm water and go to work. Besides, it will be quite a bit cheaper than DNA. Just a caution: ammonia can stain aluminum like the cup of your gun. Doesn’t hurt it, but will stain it.

-- Our village hasn't lost it's idiot, he was elected to congress.

View OSU55's profile

OSU55

2247 posts in 2350 days


#5 posted 07-21-2017 03:18 PM

Ammonia does work very well to clean off shellac. I dont use ammonia in my guns, but brushes etc. after stripping any heavy dried shellac with dna.

View Bill White's profile

Bill White

5202 posts in 4321 days


#6 posted 07-21-2017 03:24 PM

I’m in Fred’s camp. I use ammonia as well. Doesn’t take a lot, and a couple of washes leaves everything clean.
After cleaning my badger bristle brush (BIG BUCKS), I wash it with shampoo. Been doing this for years.

Bill

-- [email protected]

View AAANDRRREW's profile

AAANDRRREW

216 posts in 1533 days


#7 posted 07-21-2017 03:28 PM

Thanks guys – just to confirm, we are talking about dna and ammonia when using the BIN, not the Cover stain, correct?

But going back to my original question – IF I didn’t touch up the tannin bleed areas and just made sure water WB primer was fully cured and sprayed the WB paint, would it still bleed through again?

View Fred Hargis's profile

Fred Hargis

5505 posts in 2854 days


#8 posted 07-21-2017 05:30 PM

The ammonia is for the BIN that’s shellac based only…I think they now offer BIN in other formulas. Cover Stain is an oil based primer, use MS or paint thinner for it. No idea about your original question, but I don’t think I would chance it.

-- Our village hasn't lost it's idiot, he was elected to congress.

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