BIN shellac based primer cleanup

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  #1  
Old 05-29-18, 08:34 AM
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BIN shellac based primer cleanup

i purchased a pint of "Zinsser B-I-N Ultimate Stain Blocker Interior & Spot Exterior Primer" in September of 2016.

https://www.walmart.com/ip/Zinsser-B...&wl13=&veh=sem

I have since thrown away the pint size can. At the time I purchased this product I also purchased both a quart of denatured alcohol and a quart or so of regular household ammonia. I purchased both because; either I didn't read it correctly or the cleanup instructions on the can have changed, but I thought there were instructions that said I needed to mix the two of these products together to do the cleanup.

What I would like to know is have the instructions changed or did I read them wrong.

I thought there was specific amounts of each of the denatured alcohol and the ammonia to mix together; but now it seems it is just one or the other; denatured alcohol on its own or ammonia mixed half and half with water.

Can anyone tell me if there ever was a mixture of denatured alcohol and ammonia that was instructed for cleanup of the "Zinsser B-I-N Ultimate Stain Blocker Interior & Spot Exterior Primer"?
 
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Old 05-29-18, 10:24 AM
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You read it wrong... either can be used for cleanup but you certainly don't mix them! The instructions have not changed.
 
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Old 05-29-18, 10:43 AM
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I've always used denatured alcohol to clean up shellac based coatings. I've heard of folks using ammonia instead, never heard of anyone mixing the two.
 
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Old 05-30-18, 01:45 AM
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Ok, thanks for the information.
 
 

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