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How to Choose Acrylic for Your Project
PMMA vs PET-G vs Polycarbonate comparison. Which plastic is best for displays, enclosures, and signage? Complete material selection guide.
You often ask
Questions and answers
Straight answers to the questions we get most often about this topic.
Which acrylic for a display?
Clear extruded PMMA (XT) 3–5 mm as standard. For premium work, cast PMMA (GS) — better optical quality. Where safety matters, PET-G 3–5 mm, which does not shatter.
Which acrylic for cabinet doors?
Clear PMMA 5–8 mm for doors up to 1 m², 8–10 mm for larger ones. For a milky finish, opal acrylic 5–8 mm. For colour, acrylic dyed through the sheet.
Can acrylic be used outdoors?
Yes — UV-stabilised acrylic lasts 10 to 15 years outdoors without yellowing. Two things matter: at least 4 mm on façades, and mounting that leaves room for thermal expansion.
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