Quality Product Guarantee 3mm Mitsubishi Optical Grade Acrylic 3M Adhesive Acrylic is the best new material after ceramics. Compared with traditional ceramic materials, acrylic has unparalleled high brightness, and has good toughness and it is not easy to break, Also it is strong repairability, as long as you use soft foam dipped in toothpaste, you can wipe the panel easily.