Polyethylene Terephthalate - PET Amorphous

Material: Polyethylene Terephthalate - PET Amorphous
Composition: (OOC-C6H4-COO-(CH2)2)n
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0064 0.0065 m3/kmol 390.552 396.654 in3/kmol
Density 1.32 1.34 Mg/m3 82.405 83.6535 lb/ft3
Energy Content 150 180 MJ/kg 16250.8 19501 kcal/lb
Bulk Modulus 3.4 3.8 GPa 0.493128 0.551143 106 psi
Compressive Strength 65 70 MPa 9.42745 10.1526 ksi
Ductility 2.5 3 2.5 3 NULL
Elastic Limit 50 53 MPa 7.25189 7.687 ksi
Endurance Limit 30 31.8 MPa 4.35113 4.6122 ksi
Fracture Toughness 1.2 2 MPa.m1/2 1.09206 1.82009 ksi.in1/2
Hardness 140 160 MPa 20.3053 23.2061 ksi
Loss Coefficient 0.011 0.03 0.011 0.03 NULL
Modulus of Rupture 55 60 MPa 7.97708 8.70226 ksi
Poisson's Ratio 0.38 0.43 0.38 0.43 NULL
Shear Modulus 0.83 0.86 GPa 0.120381 0.124732 106 psi
Tensile Strength 50 60 MPa 7.25189 8.70226 ksi
Young's Modulus 2.2 2.4 GPa 0.319083 0.34809 106 psi
Glass Temperature 360 370 K 188.33 206.33 °F
Latent Heat of Fusion kJ/kg BTU/lb
Maximum Service Temperature 355 360 K 179.33 188.33 °F
Melting Point K °F
Minimum Service Temperature 140 160 K -207.67 -171.67 °F
Specific Heat 1400 1600 J/kg.K 1.0834 1.23817 BTU/lb.F
Thermal Conductivity 0.15 0.27 W/m.K 0.280805 0.505449 BTU.ft/h.ft2.F
Thermal Expansion 70 120 10-6/K 126 216 10-6/°F
Breakdown Potential 35 36 MV/m 889 914.4 V/mil
Dielectric Constant 3.5 3.8 3.5 3.8 NULL
Resistivity 1e+020 3.16e+020 10-8 ohm.m 1e+020 3.16e+020 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 3
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 1
Sea Water 5
Strong Acid 5
Strong Alkalis 5
UV 4
Wear 2
Weak Acid 5
Weak Alkalis 5

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