Its hard to beat aftcote. Some say the Threadmaster light is the same as aftcote from a workability stanf point but it cures a little harder so there is more resistance to scratches. Some say it also stays clearer but aftcote is prettyy good at staying clear anyway.
I don't see anyone selling Threadmaster at a reasonable price so that's an issue with it. Its also not available locally as far as I know , you have to mail order it. The Threadmaster light is also a very slow cure like the aftcote thus the same nice workability but also the same issues with tackiness can still occur do to slow curing.
Interestingly enough , I have used just about every kind over the last ten years and have developed a way to make all of them work. When I first started I hated flexcoat high build because it had a low pot life but the root cause was me being to slow at applying. Now I have no issues with either Flexcoat light or High build.
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