What Makes PMMA Injection Molding Challenging for Optical Clarity?
Introduction PMMA injection molding—using polymethyl methacrylate, better known as acrylic—promises crystal-clear parts with light transmission up to 93%. Yet achieving that flawless finish feels like chasing a mirage for many manufacturers. A single speck of moisture creates haze. A slightly off temperature turns clear parts yellow. Even the mold’s surface can leave visible scratches on […]



















