... limited Thickness from 3.8mm to 16mm variety of Polycarbonate sheet:Features of pc sheetLight Transmisson, Fire Retardancy, Impactresistance ... , UA-Protection, Sound-Insulation, Weather Ability, Portability.1, Light Transmisson, Fine light transmission(to 88%). No yellow,atomization and poor ... by the ultraviolet,and transfer it into the visible light, it has the fine stabilizingeffect for the plant ...