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Plastics & Elastomers
A Complete Guide to Polycarbonate (PC)

Polycarbonate Properties and Their Values

Polycarbonate offers a unique combination of properties that include high impact strength, high dimensional stability, good electrical properties amongst others. Glass filled grades of polycarbonate show good chemical and moisture resistance too. From physical properties, dimensional stability, electrical performances to fire and thermal properties, here is detailed chart describing PC properties and respective values.

Overview

Key Applications

Key Properties

Property POLYCARBONATE (PC)
Chemical Resistance
Acetone @ 100%, 20°C Non Satisfactory
Methanol @ 100%, 20°C Limited
Methylethyl ketone @ 100%, 20°C Non Satisfactory
Mineral oil @ 20°C Limited
Phenol @ 20°C Non Satisfactory
Silicone oil @ 20°C Satisfying
Soap @ 20°C Limited
Sodium hydroxide @ 10%, 20°C Satisfying
Sodium hydroxide @ 10%, 60°C Satisfying
Sodium hypochlorite @ 20%, 20°C Satisfying
Strong acids @ concentrated, 20°C Limited
Toluene @ 20°C Non Satisfactory
Toluene @ 60°C Non Satisfactory
Xylene @ 20°C Non Satisfactory
Ammonium hydroxide @ 30%, 20°C Non Satisfactory
Ammonium hydroxide @ diluted, 60°C Non Satisfactory
Ammonium hydroxide @ diluted, 20°C Non Satisfactory
Aromatic hydrocarbons @ 20°C Non Satisfactory
Aromatic hydrocarbons @ hot conditions Non Satisfactory
Benzene @ 100%, 20°C Non Satisfactory
Butylacetate @ 100%, 60°C Non Satisfactory
Butylacetate @ 100%, 20°C Non Satisfactory
Chlorinated solvents @ 20°C Non Satisfactory
Chloroform @ 20°C Non Satisfactory
Dioctylphtalate @ 100%, 100°C Non Satisfactory
Dioctylphtalate @ 100%, 60°C Non Satisfactory
Dioctylphtalate @ 100%, 20°C Non Satisfactory
Ethanol @ 96%, 20°C Satisfying
Ethyleneglycol (Ethane diol) @ 100%, 20°C Satisfying
Glycerol @ 100%, 20°C Limited
Grease @ 20°C Satisfying
Kerosene @ 20°C Limited
Electrical
Volume Resistivity x 1015, Ohm.cm 15 - 16
Arc Resistance, sec 110 - 120
Dielectric Constant 2.8 - 3
Dielectric Strength, kV/mm 16 - 35
Dissipation Factor x 10-4 69 - 100
Mechanical
Strength at Break (Tensile), MPa 55 - 77
Strength at Yield (Tensile), MPa 61 - 69
Toughness, J/m 80 - 650
Young's Modulus, GPa 2.2  - 2.5
Elongation at Break, % 50 - 120
Elongation at Yield, % 6 - 7
Flexural Modulus, Gpa 2.2  - 2.5
Hardness Rockwell M 70 - 90
Hardness Shore D 90 - 95
Optical
Transparency, % 88 - 89
Haze, % 1
Physical
Shrinkage, % 0.7 - 1
Sterilization Resistance (Repeated) Fair
UV Light Resistance Fair
Water Absorption 24 hours, % 0.1 - 0.2
Density, g/cm3 1.15 - 1.2
Gamma Radiation Resistance Good
Glass Transition Temperature, °C 160 - 200
Service Temperature
HDT @0.46 Mpa (67 psi), °C 150 - 190
HDT @1.8 Mpa (264 psi), °C 140 - 180
Max Continuous Service Temperature, °C 100 - 140
Thermal
Thermal Insulation, W/m.K 0.21
Coefficient of Linear Thermal Expansion x 10-5, /°C 7 - 9
Fire Resistance (LOI), % 24 - 35
Flammability, UL94 HB

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