Is paint catalyst optional ?
I have some paint from an automotive paint store and the directions say that there is a catalyst that can (or should ?) be mixed with the paint, but the person at the shop said this was unnecessary when I asked about it. He said that if it were on a vehicle that it would be necessary, but not on a piece of plate steel.
My question is, what is the difference if you do (or don't) use the catalyst, how will the paint be different one way or the other ? I thought that the catalyst caused a chemical reaction that made the paint cure, but will it cure without the catalyst too ?
What are you pretending not to know ?
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