Acrylic Window Panel, with Radius (Rounded) Corners, in 2 Sizes. Acrylic Window Panels (with radius rounded corners) "bronze" tint, in 2 sizes: 8" X 18" or 9" X 20" 1 8" thick panels with rounded corners are shatter resistant . The color has a bronze tint that absorbs 65 70% of all UV rays. It can be bent around a gentle curve. The color has a bronze or smoke tint that absorbs 65 70% of all UV rays. Working temp is from 30 160 degrees Fahrenheit. ACRYLIC panels with rounded corners are usually installed with a