DispensingPregunta 72 de 100
When dispensing polycarbonate, which coating is nearly always added and why?
a.A mirror coat for style
b.A scratch-resistant (hard) coating because polycarbonate is soft
c.A polarized film
d.A photochromic dye
Explicación
Polycarbonate has a soft surface that scratches easily, so manufacturers apply a scratch-resistant hard coating to protect it. AR is also commonly added for its otherwise reflective surface.
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