Does over-thinning nitro lacquer make it easily damaged?
I bought a Kobalt HVLP gun, and had a terrible time getting it to spray. The only solution I could find was to thin the lacquer considerably, probably better than 10%. The finish seemed awfully “tender” and easy to scratch. Is that from too much thinner?
The finish was 2 coats sanding sealer and 1 coat satin and had cured for 3 days.
Replies
Tender
Limit sanding sealer to one coat. Thinning the lacquer doesn't make it more prone to scratching but you need more coats for better coverage once it's thinned. 10% is not much thinning for spraying. You should apply more finish coats over the sealer before testing for scratch resistence. 10 days cure is what I like to do before rubbing.
SA
Thanks
The scratches came from just moving the piece around. The top coat was pretty heavy, but I guess I need to go get it and put another coat on it.
Scratches
One coat of lacquer is nothing - even if it's a heavy coat. Depending on how much you thin and how much solids in your stock lacquer - I would say 4-7 coats is about typical.
SA
This forum post is now archived. Commenting has been disabled