Polybutylene Terephthalate (PBT) - Properties and Applications - Supplier Data by Goodfellow

Material: Polybutylene Terephthalate (PBT) - Properties and Applications - Supplier Data by Goodfellow
Composition: (CO-(C6H4)-C-O-(CH2)4-0)n
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.006 0.007 m3/kmol 366.142 427.166 in3/kmol
Density 1.3 1.38 Mg/m3 81.1564 86.1506 lb/ft3
Energy Content 100 120 MJ/kg 10833.9 13000.6 kcal/lb
Bulk Modulus 3.842 4.034 GPa 0.557235 0.585082 106 psi
Compressive Strength 59.3 100 MPa 8.60074 14.5038 ksi
Ductility 0.5 3 0.5 3 NULL
Elastic Limit 56.5 60 MPa 8.19463 8.70226 ksi
Endurance Limit 20.44 26.57 MPa 2.96457 3.85365 ksi
Fracture Toughness 1.592 2.753 MPa.m1/2 1.44879 2.50536 ksi.in1/2
Hardness 170 180 MPa 24.6564 26.1068 ksi
Loss Coefficient 0.0133 0.0207 0.0133 0.0207 NULL
Modulus of Rupture 82.7 115 MPa 11.9946 16.6793 ksi
Poisson's Ratio 0.3902 0.406 0.3902 0.406 NULL
Shear Modulus 0.6902 1.073 GPa 0.100105 0.155625 106 psi
Tensile Strength 50 60 MPa 7.25189 8.70226 ksi
Young's Modulus 1.93 3 GPa 0.279923 0.435113 106 psi
Glass Temperature 295 316 K 71.33 109.13 °F
Latent Heat of Fusion kJ/kg BTU/lb
Maximum Service Temperature 385 400 K 233.33 260.33 °F
Melting Point 493 540 K 427.73 512.33 °F
Minimum Service Temperature 150 200 K -189.67 -99.67 °F
Specific Heat 1421 1478 J/kg.K 1.09965 1.14376 BTU/lb.F
Thermal Conductivity 0.2741 0.2851 W/m.K 0.513124 0.533717 BTU.ft/h.ft2.F
Thermal Expansion 108 171 10-6/K 194.4 307.8 10-6/°F
Breakdown Potential 16.07 19.29 MV/m 408.178 489.966 V/mil
Dielectric Constant 3.2 3.4 3.2 3.4 NULL
Resistivity 3.3e+020 3e+021 10-8 ohm.m 3.3e+020 3e+021 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 4
Fresh Water 5
Organic Solvents 3
Oxidation at 500C 1
Sea Water 5
Strong Acid 3
Strong Alkalis 3
UV 5
Wear 3
Weak Acid 5
Weak Alkalis 5

This data is provided subject to AZoM.com's terms and conditions. Data reproduced with permission of Granta Design Limited and Goodfellow

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