It dose need sanding sealer or something like that as a base otherwise it will get absorbed into the wood and not last that long done properly it is the hardest wax in the worldHow are you using it Jim? I've been applying it at about 1,000 RPM,building up a layer then using the reverse of sandpaper (just paper) to heat up the wax and spread it out,followed by a buff with a clean cloth.
I'm not how long it will hold up but since these bowls will remain in my possession,I can always spin them back up later and re apply the wax or another finish.