[Marco Tahtaras]

This is interesting. Brent pulled up some stuff I hadn't seen before. Note the label says "primer surfacer". It appears PPG is marketing this product in two ways. I downloaded the primer surfacer version of the spec sheet this morning and attached it below. It's very similar to the one I have on file dated 1990. The difference is that 15+ years ago K36 could be thinned as a sealer but still used K201 catalyst. Now PPG pairs K36 with K201 for primer surfacer only and pairs it with DCX8/DCX61 when used as a sealer.

Kevin's comments above could possibly lead to confusion. It's important to note that typically "primer surfacers" do not have a recoat period as do primers and sealers. This is especially important for those that want to "do it right" but need to store parts for a period of time in an unfinished but protected state.