Acrylic (PMMA) for CNC Machining

Machined acrylic is a rigid, translucent thermoplastic that offers UV stability 

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Machined acrylic, or PMMA, parts exhibit good optical properties, UV stability, high gloss, and scratch resistance. It's an economical alternative to polycarbonate when impact strength and overall toughness is not needed and can be used as a shatterproof alternative to glass.

Machined Acrylic (PMMA) Material Properties

  Tensile Strength Elongation at Break Tensile Modulus Flexural Strength Hardness
Test Method DIN 53455 DIN EN ISO 527 DIN EN ISO 527 ASTM D790 ISO 868
Machined Arylic 60 MPa 4.5% 3,000 MPa 117  MPa 90 Rockwell M

 

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Uses for Acrylic Parts

The clarity of acrylic makes it a good choice for optical and lighting applications. It can also be a shatterproof alternative to glass.

Common applications:

  • Light pipes
  • Lenses
  • Light shades
  • Optical fibres
  • Signs

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