Cellulose Acetate

Material: Cellulose Acetate
Composition: (C5H4O[CH2OR-(OR2)]-O-)n R = COCH3 or H
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 1.28 1.32 Mg/m3 79.9078 82.405 lb/ft3
Energy Content 100 120 MJ/kg 10833.9 13000.6 kcal/lb
Bulk Modulus 4.672 4.906 GPa 0.677616 0.711555 106 psi
Compressive Strength 29.76 52.99 MPa 4.31632 7.68555 ksi
Ductility 0.2 0.5 0.2 0.5 NULL
Elastic Limit 24.8 44.16 MPa 3.59694 6.40487 ksi
Endurance Limit 12.4 22.08 MPa 1.79847 3.20243 ksi
Fracture Toughness 1.053 3.158 MPa.m1/2 0.958279 2.87393 ksi.in1/2
Hardness 74 132 MPa 10.7328 19.145 ksi
Loss Coefficient 0.00976 0.0167 0.00976 0.0167 NULL
Modulus of Rupture 43.4 77.28 MPa 6.29464 11.2085 ksi
Poisson's Ratio 0.3827 0.3989 0.3827 0.3989 NULL
Shear Modulus 0.8628 1.474 GPa 0.125139 0.213786 106 psi
Tensile Strength 31 55.2 MPa 4.49617 8.00608 ksi
Young's Modulus 2.4 4.1 GPa 0.34809 0.594654 106 psi
Glass Temperature 325.4 338.6 K 126.05 149.81 °F
Latent Heat of Fusion kJ/kg BTU/lb
Maximum Service Temperature 326 340 K 127.13 152.33 °F
Melting Point 493 513 K 427.73 463.73 °F
Minimum Service Temperature 150 200 K -189.67 -99.67 °F
Specific Heat 1451 1509 J/kg.K 1.12287 1.16775 BTU/lb.F
Thermal Conductivity 0.167 0.335 W/m.K 0.31263 0.627131 BTU.ft/h.ft2.F
Thermal Expansion 180 270 10-6/K 324 486 10-6/°F
Breakdown Potential 9.84 23.6 MV/m 249.936 599.44 V/mil
Dielectric Constant 3.5 7.5 3.5 7.5 NULL
Resistivity 3.3e+018 3e+019 10-8 ohm.m 3.3e+018 3e+019 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 2
Fresh Water 5
Organic Solvents 3
Oxidation at 500C 1
Sea Water 5
Strong Acid 3
Strong Alkalis 3
UV 4
Wear 3
Weak Acid 4
Weak Alkalis 4

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

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