Polycarbonate sheet is harder than acrylic/perspex, but it degrades in UV light, turning amber, so has no more than 10 year life.

I found this interesting comparison on the web:
http://www.cutplasticsheeting.co.uk/blog/2013/11/29/acrylic-vs-polycarbonate/

It has left me completely undecided about the better material for the side-screens!


Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...