Reply by Rich

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Posted on Buffing thru Lacquer & Stain Shelf Life

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4951 posts in 1094 days

#1 posted 05-31-2019 03:46 PM

There’s no reason to sand unless you have an uneven surface. The lacquer you spray will amalgamate with the existing lacquer. That way there’s no risk to the stained surface.

Yes, you need to clean off the wax. I prefer naphtha or turpentine over mineral spirits because today’s “low odor” MS is weak.

I’m surprised you were able to buff through the lacquer. How many coats did you do? Aerosols like Minwax generally don’t have the solid content of something like a Sherwin Williams product, so you’ll need many coats. If getting a sprayer isn’t an option, at least look into Mohawk brand aerosol cans. It’s a far superior product compared to Minwax. If you need sources for it, let me know.

When I’m finishing something like a cabinet, or the legs and aprons for a table, I use 4 coats. I spray the first three, let it cure for an hour or two and then sand lightly with 400 before spraying the final coat. The final coat is lighter too.

For a table top I will spray 10 to 12 coats, sanding lightly every few coats. I then wet sand with 400 and up. The final grit I stop with depends on the sheen I’m looking for. I then buff it with pure carnauba wax.

Also, a de-nibber is invaluable for lacquer, as is an ultra thin cabinet scraper with a square edge (don’t burnish to turn a burr). It’s far better to plane off any imperfections than to sand. I only sand once the surface is perfectly flat.

-- Dopeler Effect: The tendency of stupid ideas to sound smarter the faster they come at you.

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