LED Diffuser Temperature Effects: Sag, Cold and Expansion
What heat and cold do to extruded LED diffuser profiles: thermal expansion, sag on long spans, low temperature brittleness, and what to ask a supplier.
Materials
UL 94 Flame Rating for LED Diffusers: What to Specify
How to specify UL 94, glow wire and GWFI ratings for PC LED diffusers, why thin walls change the result, and which documents to ask a supplier for.
PC vs PMMA for LED Lighting: A Specifier’s Comparison
Polycarbonate and PMMA compared for LED lighting applications: optics, impact, UV, temperature, surface and where each is specified.
PC vs PMMA (Acrylic) LED Diffuser: Which Material Is Better?
A practical comparison of polycarbonate and PMMA acrylic LED diffusers: optical behaviour, impact resistance, surface finish, UV stability and typical applications.