Selecting a Thermoplastic for Your Injection-Molded Part
Benefits: PMMA, aka acrylic, has good optical properties, high gloss and is scratch resistant. Acrylic also has low shrink and has less sink in geometries with thin and think sections. Applications: light pipes, lenses, light shades, optical fibers, signs. Considerations: Acrylic can be brittle and thus more susceptible to stress cracking. PC ...
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