Por-15 on roof

Sylvesters customs have some good videos on sticking with this product start to finish. I've been
using a 1.7 tip, 26 psi. and use an additional 10% reducer.It sprays nice, goes on thick, is tough and
dries lo gloss allowing you to see how straight your body work is.
This is my first body and paint job so I'm no authority.
And the product is?????