I'm sure you're aware that Turbi is not the diminutive for a Turbulent, but is the name for a larger, two-place derivative.
I used to be and I am again now! A lovely green Turbulent at my home strip.
Whether airliner windows or photographic optics, UV killing properties haven't ever just needed opacity as the key. Thus my interest in the system Monocock has used. As a Jodel owner it's something I'm keen to follow as titanium dioxide changed some specialist paints a good while back. From artists' paint to the exterior shots we've all seen of the gleaming white Saturn V rocket it is long established as a pigment with some very special properties.
Rob