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PBT Polybutylene Terephtalate
Legend

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

STRUCTURE: Cr

SPECIFIC DENSITY: 1.31

WATER ABSORPTION RATE (%): 0.15

ELONGATION (%): 15

TENSILE STRENGTH (psi): 5600

COMPRESSION STRENGTH (psi): 10000

FLEXURAL STRENGTH (psi): 11500

FLEXURAL MODULUS (psi): 360000

IMPACT (IZOD ft. lbs/in): 1.

HARDNESS: R118

FABRICATION
  - BONDING: G
  - ULTRASONIC WELDING: G
  - MACHINING: E

DEFLECTION TEMPERATURE (deg. F)
  - @ 66 psi: 300
  - @ 264 psi: 140

UTILIZATION TEMPERATURE (deg. F)
  - min: -76
  - max:  330

MELTING POINT (deg. F): 430

COEFFICIENT OF EXPANSION: 0.000033

ARC RESISTANCE: 130

DIELECTRIC STRENGTH (kV/mm): 15

TRANSPARENCY: O

UV RESISTANCE: G

CHEMICAL RESISTANCE
  - ACIDS: G
  - ALKALIS: G
  - SOLVENTS: G
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