PMMA acrylic sheet Features: good translucent can up to 92% high hardness of surface do not fade easily,acid and alkali resistence,easy for clean strong impact strength,hot temp resistence,anti-aging good insulation good effect of airbone sound insulation,as test,sheet with thickness of 15mm and 20mm can low the noise with 32db and 35db. affection will be better if the sheet bent inwardly. Application panel, test fixture, advertising sign, lighting