Properties of Acrylonitrile Butadiene Styrene (ABS)

Acrylonitrile Butadiene Styrene (ABS) is a widely used thermoplastic polymer composed of acrylonitrile, butadiene, and styrene. It offers a balanced combination of strength, impact resistance, and rigidity, making it ideal for various applications, including automotive parts, toys, consumer electronics, and various plastic products.

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The following table provides a comprehensive list of acrylonitrile butadiene styrene (ABS) properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).

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Table of Acrylonitrile Butadiene Styrene Properties
Physical Properties
Metric
CategoryThermoplastic
Density1040 - 1180 kg/m3
Water Absorption0.3 - 0.7 %wt/day
Mechanical PropertiesMetric
Ultimate Tensile Strength41 - 62 MPa
Yield Tensile Strength32 - 45 MPa
Ultimate Compressive Strength36 - 69 MPa
Young’s Modulus (E)1.7 - 2.6 GPa
Flexural Modulus0.92 - 3.03 GPa
Elongation at Break20 - 100%
Rockwell Hardness (R)75 - 115
Static Friction Coefficient (µ)0.5
Thermal PropertiesMetric
Melting Point88 - 120 °C
Thermal Conductivity0.17 - 0.34 W/m·K
Specific Heat Capacity (Cp)1506 J/kg·K
Coefficient of Thermal Expansion (αL)5.3×10-5 - 1.1×10-4 1/°C
Glass Transition Temperature (Tg)105 °C
Electrical PropertiesMetric
Relative Permittivity (@1 MHz) (εr)2.4 - 3.3
Electrical Resistivity1015 Ω·cm
Dielectric Field Strength (Ed)140 - 250 kV/cm
Optical PropertiesMetric
Refractive Index (589 nm)1.49
Transmittance92%
Hazardous DataMetric
Flammability Rating (ANSI/UL 94)HB

Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)

Related Pages
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) A.M. Howatson, P.G. Lun, J.D. Todd, P.D. Engineering Tables and Data. United Kingdom: University of Oxford, Department of Engineering Science, 2009.