Proto Processes 3DP-ABS (Acrylonitrile Butadiene Styrene)Proto Processes
Material Description
Acrylonitrile Butadiene Styrene, commonly known as ABS, is a versatile thermoplastic polymer renowned for its exceptional combination of mechanical properties and ease of processing. ABS is composed of three main monomers: acrylonitrile, which provides rigidity and chemical resistance; butadiene, contributing to its toughness and impact strength; and styrene, imparting gloss and processability. This tri-copolymer structure gives ABS its distinctive properties. It exhibits high tensile strength, typically ranging from 40 to 80 MPa, and a flexural modulus of 1,600 to 2,400 MPa, making it suitable for a wide array of structural applications. ABS is known for its excellent impact resistance, even at low temperatures, enhancing its suitability for products subjected to mechanical stress. It also possesses good dimensional stability, low moisture absorption, and moderate heat resistance with a glass transition temperature (Tg) around 100°C. ABS can be easily molded, extruded, and thermoformed, and it can be customized with various additives to achieve desired properties, such as flame retardancy or UV stability. Furthermore, it is readily bonded and painted, making it a preferred choice in industries ranging from automotive and consumer goods to electronics and construction. However, ABS is susceptible to degradation when exposed to UV radiation and may undergo discoloration or embrittlement over time in outdoor applications. These comprehensive material properties make ABS a versatile and widely used thermoplastic in various engineering and consumer applications.
Common Industry Applications
ABS (Acrylonitrile Butadiene Styrene) is widely utilized in automotive, electronics, and consumer goods for its robustness and impact resistance.
Sub-Processes
3D Printing – Fused Deposition Modeling (FDM)
| Density (g/cm³) | Tensile Yield Strength (MPa) | Flexural Strength (MPa) | Impact Strength (J/m) | Heat Deflection Temp (°C) | Thermal Conductivity (W/m·K) | Glass Transition Temp(°C) | UV Resistance |
|---|---|---|---|---|---|---|---|
| 1.04 - 1.06 | 25 - 40 | 50 - 80 | 10 - 40 | 80 - 95 | 0.15 - 0.3 | 105 - 110 | Sensitive to UV radiation |
Design Recommendation
ABS 3D printing benefits from a heated bed and an enclosed chamber to prevent warping and cracking during cooling. Consider support structures for overhangs and complex geometries, and be mindful of part orientation. Proper layer adhesion is crucial; interlocking features can enhance the bond between layers and minimize delamination. Additionally, post-processing with acetone vapor smoothing can improve surface quality and strength.
Cost Saving Tip
Cost-efficiency in ABS 3D printing starts with managing warping, a common issue with this material. Employing a heated bed and an enclosure can help mitigate warping, thus reducing the likelihood of failed prints and material wastage. Fine-tuning layer thickness and infill settings can further reduce material consumption. Additionally, post-processing techniques like vapor smoothing can save both time and material by enhancing the surface finish, eliminating the need for extensive sanding or coating.
