Depends on the lube and environment. Some will be fine even after the carrier is gone. Some only last for about 30 minutes.
You really only need the lube for full length sizing, and you only do that once. I put about 2 handfuls of brass in sturdy 8" x 8" box and spray for about 7 seconds while shaking the box.
Then tumble in corn cob with polish.
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