Acetal vs. Plexiglas Machining

Comparison of Acetal and Plexiglas Property Values

Acetal Homopolymer Acetal Copolymer
0.25 0.2
10,000 9,800
420 370,000
6.8 6.1
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Material
Water Absorption Rating
Tensile Strength
Flexural Modulus
Coefficient of Linear Thermal Expansion
Dielectric Strength
Plexiglas
0.2
10,000
480,000
4
400

Material Properties

  • Low moisture absorption
  • High mechanical strength and rigidity
  • Machinability
  • Good chemical resistance
  • Good dimensional stability
  • High transparency
  • Light transmission (>92%)
  • Good resistance to UV lightening and weathering
  • Extremely high surface hardness
  • Good resistance to chemicals

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