Opal Diffuser Sheets for LED Lighting: Acrylic, Polycarbonate and Polystyrene Compared

A technical guide to opal diffuser sheets for LED lighting — what makes a diffuser “opal”, how transmittance and haze trade off across diffusion grades, PMMA vs polycarbonate vs polystyrene options, opal vs prismatic optics, and practical guidance on thickness, fabrication and applications.