Overview
Standard ABS (Acrylonitrile Butadiene Styrene) is one of the most widely used engineering thermoplastics, known for its excellent combination of strength, impact resistance, toughness, dimensional stability, machinability, and cost-effectiveness.
ABS combines the rigidity of acrylonitrile and styrene with the toughness of polybutadiene rubber, resulting in a versatile plastic suitable for both functional and aesthetic applications. It is commonly used in injection molding, CNC machining, thermoforming, and 3D printing.
Standard ABS is widely used in:
- Consumer Electronics Housings
- Automotive Interior Components
- Appliance Parts
- Industrial Equipment Enclosures
- Medical Device Housings
- Toys and Consumer Products
- Prototypes
- 3D Printing Applications
Due to its balanced mechanical properties and economical price, ABS remains one of the most popular engineering plastics worldwide.
Material Specification
| Property | Value |
|---|---|
| Material Designation | Standard ABS |
| Full Name | Acrylonitrile Butadiene Styrene |
| Material Family | Engineering Thermoplastic |
| Density | 1.03–1.07 g/cm³ |
| Appearance | Natural, Black, Colored |
| Typical Manufacturing Methods | Injection Molding, CNC Machining, 3D Printing |
| Standard Forms | Sheet, Rod, Tube, Pellets, Filament |
Chemical Composition
| Component | Function |
|---|---|
| Acrylonitrile | Chemical Resistance |
| Butadiene | Impact Strength |
| Styrene | Rigidity and Surface Finish |
The balance of these three polymers provides excellent toughness and processing characteristics.
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 40–50 MPa |
| Yield Strength | 35–45 MPa |
| Elongation at Break | 10–50% |
| Flexural Strength | 65–85 MPa |
| Flexural Modulus | 2.0–2.7 GPa |
| Hardness | Rockwell R95–115 |
| Impact Strength (Izod) | 200–400 J/m |
Typical Mechanical Performance
| Property | Performance |
|---|---|
| Impact Resistance | Excellent |
| Toughness | Excellent |
| Dimensional Stability | Good |
| Fatigue Resistance | Good |
Physical Properties
| Property | Value |
|---|---|
| Density | 1.03–1.07 g/cm³ |
| Water Absorption | 0.2–0.4% |
| Thermal Conductivity | 0.17–0.20 W/m·K |
| Electrical Resistivity | >10¹⁴ Ω·cm |
| Dielectric Strength | 15–20 kV/mm |
| Specific Heat Capacity | 1300 J/kg·K |
Thermal Properties
| Property | Value |
|---|---|
| Glass Transition Temperature | 100–105°C |
| Heat Deflection Temperature (HDT) | 85–100°C |
| Vicat Softening Temperature | 95–105°C |
| Continuous Service Temperature | -20°C to 80°C |
| Melting Point | Amorphous Material |
ABS is not recommended for continuous high-temperature environments.
Strength-to-Weight Ratio
| Material | Density (g/cm³) | Tensile Strength |
|---|---|---|
| Standard ABS | 1.05 | 45 MPa |
| Polycarbonate | 1.20 | 65 MPa |
| Nylon 6 | 1.14 | 75 MPa |
| Aluminum 6061 | 2.70 | 310 MPa |
ABS provides excellent performance while maintaining a lightweight profile.
Chemical Resistance
| Chemical Environment | Performance |
|---|---|
| Water | Excellent |
| Dilute Acids | Good |
| Dilute Alkalis | Good |
| Alcohols | Good |
| Oils and Greases | Good |
| Aromatic Solvents | Poor |
| Ketones | Poor |
ABS should be protected from prolonged exposure to strong solvents such as acetone and MEK.
Impact Resistance
| Property | Rating |
|---|---|
| Room Temperature Impact | Excellent |
| Low Temperature Impact | Good |
| Drop Resistance | Excellent |
| Shock Resistance | Excellent |
Impact resistance is one of the primary reasons ABS is widely used for protective housings.
Electrical Properties
| Property | Value |
|---|---|
| Volume Resistivity | >10¹⁴ Ω·cm |
| Surface Resistivity | >10¹³ Ω |
| Dielectric Constant | 2.4–3.0 |
| Dielectric Strength | 15–20 kV/mm |
ABS is commonly used for electrical enclosures and consumer electronics housings.
Machinability
| Process | Rating |
|---|---|
| CNC Milling | Excellent |
| CNC Turning | Excellent |
| Drilling | Excellent |
| Tapping | Excellent |
| Laser Cutting | Good |
Machinability Comparison
| Material | Machinability |
|---|---|
| Standard ABS | Excellent |
| Acetal (POM) | Excellent |
| Nylon | Good |
| Polycarbonate | Good |
ABS machines cleanly and produces smooth finished surfaces.
Injection Molding Characteristics
| Property | Rating |
|---|---|
| Moldability | Excellent |
| Flow Characteristics | Good |
| Surface Finish Quality | Excellent |
| Dimensional Accuracy | Good |
| Cycle Time | Fast |
ABS is one of the most commonly molded engineering plastics.
3D Printing Characteristics
| Property | Rating |
|---|---|
| FDM Printability | Excellent |
| Layer Adhesion | Good |
| Post Processing | Excellent |
| Sanding & Painting | Excellent |
ABS remains one of the most popular materials for functional FDM printing.
International Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| ISO | ABS |
| ASTM | ABS Resin |
| DIN | ABS |
| JIS | ABS Resin |
| GB/T (China) | ABS工程塑料 |
| UL | ABS Thermoplastic |
Available Forms
| Product Type | Availability |
|---|---|
| Sheet | Yes |
| Rod | Yes |
| Tube | Yes |
| Injection Molding Pellets | Yes |
| 3D Printing Filament | Yes |
| Custom Molded Parts | Yes |
Typical Applications
Consumer Electronics
- Laptop Housings
- Monitor Frames
- Printer Components
- Electronic Enclosures
Automotive Industry
- Dashboard Components
- Interior Trim
- Control Panels
- Ventilation Components
Industrial Equipment
- Machine Covers
- Electrical Enclosures
- Equipment Housings
Consumer Products
- Toys
- Luggage
- Household Appliances
- Sporting Goods
Medical Equipment
- Instrument Housings
- Diagnostic Equipment Covers
- Laboratory Equipment Components
Rapid Prototyping
- Functional Prototypes
- Product Development Models
- Engineering Validation Parts
Manufacturing Characteristics
| Manufacturing Process | Rating |
|---|---|
| Injection Molding | Outstanding |
| CNC Machining | Excellent |
| Thermoforming | Excellent |
| Vacuum Forming | Excellent |
| 3D Printing | Excellent |
Advantages
Excellent Impact Resistance
Provides superior toughness compared with many thermoplastics.
Good Surface Finish
Ideal for cosmetic and consumer-facing products.
Easy to Process
Suitable for injection molding, machining, and additive manufacturing.
Cost Effective
One of the most economical engineering plastics available.
Lightweight
Much lighter than metals while maintaining good strength.
Easy Post Processing
Can be painted, bonded, machined, and finished easily.
Limitations
Limited UV Resistance
Outdoor use typically requires UV-stabilized grades.
Moderate Heat Resistance
Not suitable for continuous temperatures above 80°C.
Solvent Sensitivity
Can be damaged by acetone, ketones, and aromatic solvents.
Lower Strength Than Engineering Plastics
Lower performance than PEEK, Nylon, and Polycarbonate in demanding applications.
Comparison with Common Plastics
| Property | ABS | Polycarbonate | Nylon 6 | Acetal (POM) |
|---|---|---|---|---|
| Impact Resistance | Excellent | Outstanding | Good | Good |
| Rigidity | Good | Good | Good | Excellent |
| Heat Resistance | Moderate | Better | Better | Better |
| Cost | Low | Higher | Moderate | Higher |
| Machinability | Excellent | Good | Good | Excellent |
Comparison with Common Engineering Materials
| Material | Density | Tensile Strength |
|---|---|---|
| Standard ABS | 1.05 g/cm³ | 45 MPa |
| Polycarbonate | 1.20 g/cm³ | 65 MPa |
| Nylon 6 | 1.14 g/cm³ | 75 MPa |
| Aluminum 6061 | 2.70 g/cm³ | 310 MPa |
Available Surface Finishes
Standard Finishes
- Molded Finish
- Matte Finish
- Gloss Finish
Functional Finishes
- CNC Machined Finish
- Textured Finish
- Sanded Finish
Decorative Finishes
- Painted Finish
- Chrome Plated Finish
- Silk Screen Printing
- UV Coating
Frequently Asked Questions (FAQ)
What is Standard ABS?
ABS is an engineering thermoplastic composed of acrylonitrile, butadiene, and styrene, offering excellent toughness and processability.
What is ABS used for?
Typical applications include:
- Electronic Housings
- Automotive Interior Parts
- Consumer Products
- Industrial Equipment
- Prototypes
What is the density of ABS?
Standard ABS has a density of approximately 1.03–1.07 g/cm³.
Is ABS strong?
Yes. ABS offers a good balance of strength, toughness, and impact resistance.
Is ABS suitable for outdoor use?
Standard ABS has limited UV resistance. UV-stabilized grades are recommended for outdoor applications.
Can ABS be machined?
Yes. ABS offers excellent CNC machining characteristics and is widely used for prototypes and production parts.
Why choose ABS?
Because it combines:
- Excellent Impact Resistance
- Good Surface Finish
- Easy Processing
- Low Cost
- Lightweight Performance
Is ABS good for 3D printing?
Yes. ABS is one of the most popular materials for FDM 3D printing due to its strength and post-processing capabilities.
Does GCNOV provide ABS manufacturing services?
Yes. GCNOV provides:
- ABS CNC Machining
- ABS Injection Molding
- ABS Vacuum Forming
- ABS 3D Printing
- Surface Finishing
- Prototype Development
- Low-Volume Production
- Mass Production