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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