ABS (Acrylonitrile Butadiene Styrene)
CNC Machining3D Printing
Overview
ABS is a common thermoplastic polymer known for its toughness and impact resistance. It is widely used in both CNC machining and 3D printing applications, offering good mechanical properties and ease of processing.
Mechanical Properties
| Tensile Strength | 40-50 MPa |
| Yield Strength | 45 MPa |
| Elongation | 20-50% |
| Modulus of Elasticity | 2.3 GPa |
| Impact Strength | 20-25 kJ/m² |
Physical Properties
| Density | 1,040 kg/m³ |
| Melting Point | 200-240°C |
| Specific Heat Capacity | 1.4 J/g·K |
| Thermal Conductivity | 0.25 W/m·K |
| Coefficient of Thermal Expansion | 90 × 10⁻⁶ K⁻¹ |
Applications
Automotive parts
Consumer electronics
Toys (LEGO bricks)
Protective equipment
Musical instruments
Prototypes
Advantages
- Impact resistant
- Good toughness
- Easy to machine
- Good surface finish
- Can be acetone smoothed
- Recyclable
Limitations
- Warping in 3D printing
- Requires heated bed
- UV sensitive
- Fumes during printing
- Not biodegradable
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