Acrylonitrile Butadiene Styrene
Material For Vacuum Forming
A very popular material thanks to its low cost and good mechanical properties.
Acrylonitrile Butadiene Styrene (ABS)
| General Meterial Specs ABS = Acrylonitrile Butadiene Styrene | ABS |
|---|---|
| Density (Specific Gravity) | 1.08 g/cm³ |
| Izod notched impact strength at 23°c | 400 – 420 j/m |
| Izod notched impact strength at -20°c | 230 – 280 j/m |
| Vicat softening temperature | 97 – 101°c |
| Heat deflection temperature | 80 – 84°c |
| Tensile strength | 30 – 40 MPa |
| Flexural modulus | 2.0 – 2.2 GPa |
| Flammability rating | HB |
| Forming temperature | 140 – 190°c |
| Melt flow index | 6.0 g/10min |
| Mould shrinkage (linear) | 0.4 – 0.7% |
ABS (Acrylonitrile Butadiene Styrene) is a very popular material thanks to its low cost and good mechanical properties. ABS is known for its toughness and impact resistance, it has a higher glass transition temperature, which means the material can withstand much higher temperatures before it begins to deform. This makes ABS a great choice for outdoor or high temperature applications.
PROS
- Good heat resistance
- Hard for a thermoplastic and is reasonably tough (maintains impact resistance to low temperatures).
- It is easily processed (may be electroplated) and easily bonded
- ABS has a good gloss surface finish.
CONS
- Poor solvent and fatigue resistance.
- Poor UV resistance unless protected.
- Maximum continuous use temperature approx. 70 °C ( 160 °F ).
- Poor bearing properties (high friction and wear).
- High smoke evolution.
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