Technical Info South Africa

Plastic Material Properties of PMMA

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Comparative Properties of PMMA - Polymethylmethacrylate Acrylic

PMMA  
STRUCTURE Cr
SPECIFIC DENSITY 1.16
WATER ABSORBTION RATE (%) 0.3
ELONGATION (%) 48
TENSILE STRENGTH (psi) 7000
COMPRESSION STRENGTH (psi) 11500
FLEXURAL STRENGTH (psi) 10500
FLEXURAL MODULUS (psi) 310000
IMPACT (IZOD ft. lbs/in) 1.1
HARDNESS R120
FABRICATION
  • - BONDING: E
  • - ULTRASONIC WELDING: E
  • - MACHINING: E
DEFLECTION TEMPERATURE (deg. F)
  • - @ 66 psi: 187
  • - @ 264 psi: 170
UTILZATION TEMPERATURE (deg. F)
  • - min: -94
  • - max: 176
MELTING POINT (deg. F) 490
COEFFICIENT OF EXPANSION 0.000022
ARC RESISTANCE 80
DIELECTRIC STRENGTH (kV/mm) 17
TRANSPARENCY C
UV RESISTANCE G
CHEMICAL RESISTANCE
  • - ACIDS: G
  • - ALKALIS: E
  • - SOLVENTS: P

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