Perspex Cast Acrylic Clear 1000mm x 500mm x 3mm. Perspex clear cast has a light transmission of 92 percent, higher than glass so projects using this material will have a crystal clear finish. Laser cutter and CNC machine compatible. It comes with a protective PE film which can be left on for laser cutting. Made in the UK and comes with a 25 year guarantee, offers outdoor resistance and excellent environmental credentials. Often used as a glazing solution, it also offers impact resistance over 7 times stronger than glass for improved safety and strength.