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).
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Category | Thermoplastic |
| Density | 1040 - 1180 kg/m3 |
| Water Absorption | 0.3 - 0.7 %wt/day |
| Mechanical Properties | Metric |
| Ultimate Tensile Strength | 41 - 62 MPa |
| Yield Tensile Strength | 32 - 45 MPa |
| Ultimate Compressive Strength | 36 - 69 MPa |
| Young’s Modulus (E) | 1.7 - 2.6 GPa |
| Flexural Modulus | 0.92 - 3.03 GPa |
| Elongation at Break | 20 - 100% |
| Rockwell Hardness (R) | 75 - 115 |
| Static Friction Coefficient (µ) | 0.5 |
| Thermal Properties | Metric |
| Melting Point | 88 - 120 °C |
| Thermal Conductivity | 0.17 - 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 Properties | Metric |
| Relative Permittivity (@1 MHz) (εr) | 2.4 - 3.3 |
| Electrical Resistivity | 1015 Ω·cm |
| Dielectric Field Strength (Ed) | 140 - 250 kV/cm |
| Optical Properties | Metric |
| Refractive Index (589 nm) | 1.49 |
| Transmittance | 92% |
| Hazardous Data | Metric |
| 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)