toughest / most scratch resistant clear in SPI lineup?

L

larryq

I'm painting a few toolboxes for homeowner use, and would like to know which of the SPI clears provides the best scratch resistance / toughest finish? I've heard good things about ****$***** hi-impact clear but wanted to stick with the name I know and love.

These boxes won't be abused, but they will get regular use. Will likely spray over single stage urethane, just for that extra layer of protection.
 
What about when they cure?

Will be same but the 2100 and 5000 will be their faster.
The universal gets a bad rap because were doing 4-9 coats of a high solids and yes it could be 6 -8 months full cure if driven once in a while, if not, longer.
 
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