1. Acrylic/PMMA /Polycarbonate extrusion profile for stair led light diffuser, architecture led light diffuser cupboard led ligh 1. Acrylic/PMMA /Polycarbonate extrusion profile for stair led light diffuser, architecture led light diffuser cupboard led light diffuser, led light cover, lamp cover etc. 2. Frosted/diffusion grade pmma material gives a sand blasting finishing. 3. Excellent light ...