The Stovebolt Site Forums The Shop Area Paint and Body Shop Buffing single stage paint

Why don't we put the speculation to rest? Attached is the Tech Data Sheet for ALK-200.

The top of page 2 shows hardness with and without ALK-201 (which is a polyurethane enhancer, and does contain isocyanate ingredients). Straight ALK-200 CAN be softer than with ALK-201, but can also be the same hardness. The Pencil hardness scale goes HB, F, H from softer to harder. Also note that chip resistance can be better WITHOUT ALK-201, and glossiness is only slightly improved with ALK-201.
At the bottom of page 2 shows that the paint can be flattened by the addition of a flattening agent, which is different than ALK-201.
Another item is that the time for the paint to fully dry is 7 days with or without additive.

One issue with using ALK-201 is that the container says that it has to be used completely within 14 days of opening, as it's moisture activated. That means that a 1/2 pint container will treat a gallon of paint at the 15:1 mix ratio. So if you buy a quart of ALK-201 (most readily available), you'll waste most of it unless you're doing multiple paint jobs.

So to answer the OP's question, you'd need to wait at least 7 days before attempting to wet sand or buff that particular Alkyd Enamel. Like Phil says, it lays down very nicely. If you have orange peel, you're either using too large a tip on your paint gun or have the adjustments completely wrong. I found it to be very easy to paint with. I've used a 1.3 tip with very good results.