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PMMA Polymethylmethacrylate (Acrylic)


LEGEND
A = amorphous - Cr = crystalline - C = clear - E = excellent - G = good - P = poor - O = opaque - T = translucent- R = Rockwell - S = Shore

STRUCTURE: A

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): 212

COEFFICIENT OF EXPANSION: 0.000055

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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