cast acrylic sheet Polished to a reflective surface for a clean, finished look Black color with 0% light transmittance; weather resistance Tough and not easy to break; suitable for outdoor and indoor use Sizes and tolerance 40x40 cm sheets in thickness options: 2 mm, 3 mm, 4 mm, 5 mm, 8 mm There may be a 03 mm error in size Material and processing Material: cast acrylic; stable and resistant to various chemicals and common cleaning agents Easy to process with tools such as table saws, jigsaws, drills, lasers, and glue Minor surface scratches can be removed with a heat gun Note: Do not tear off the protective paper during processing to avoid cracking Applications Widely used in DIY craft projects, building models, instruments, switch panels, bracket panels, and more 23 practical use scenarios Create durable instrument panels and switch faces for electronic equipment requiring an opaque black finish Build hobby models or model display backs with a reflective black surface for a professional look Produce outdoor or indoor panels and brackets that benefit from weather resistance and toughness Physical and performance attributes Black color with 0% light transmittance Reflective polished surface Weather resistant and impact resistant for versatile environments Note: This description preserves the product's original specifications and intended uses while presenting the information in a clear, customerfriendly format.