Many color options and variationsLightweight and rigidLow water absorptionExcellent optical propertiesMore impact resistant than glassGood electrical and UV resistivityEasy to glue, hot air weld and machineOutstanding resistance to long-term exposure to sunlight and weatheringDimension Information:Acrylic sheet thickness tolerances are +- 10% and can vary throughout the sheet, but variations are typically less than 5%. Please refer to nominal and actual sheet thicknesses below.18" = 3mm = 0.118"316" = 4.5mm = 0.177"14" = 5.5mm = 0.22"38" = 9mm = 0.354"12" = 12mm = 0.472"34 = 18mm =0.7081 = 24mm = 0.944