ABS

As a widely used amorphous thermoplastic, ABS delivers an ideal balance of impact resistance, mechanical strength, and dimensional stability. It maintains toughness across a temperature range of -20°C to 80°C (-4°F to 176°F) and offers excellent processability. Highly cost-effective and durable, it is the premier choice for automotive parts, consumer goods, and protective housings, ensuring both performance and aesthetics.

What is ABS?

ABS (Acrylonitrile Butadiene Styrene) is a high-performance amorphous thermoplastic engineering plastic. It combines three monomers to deliver an optimal balance of properties: acrylonitrile provides heat and chemical resistance, butadiene imparts exceptional toughness and impact strength, and styrene adds rigidity and a glossy finish. As a highly recyclable material, it can be easily heated and molded into complex shapes while maintaining its form upon cooling. Thanks to its outstanding mechanical strength and durability, ABS is widely used in automotive parts, consumer product housings, panels, and retail displays where both resilience and aesthetics are essential.

Typical Properties of ABS

Common Properties

Property	Value
Typical Widths	24, 48 in
Typical Lengths	96, 120 in
Common Profiles	Sheet, Rod, Tube
Common Colors	Black, White, Natural, Gray
Common Grades	Fire-Rated, Machine Grade, UV Resistant, Scratch Resistant
Friendly Names	ABS, Acrylonitrile Butadiene Styrene
Common Brand Names	Polystone®, King KPC®, Primex Prime®, Royalite®, Lustran®
Typical Thickness Size	0.06–0.24 in
Typical Rod Diameters	0.250–6 in

Electrical Properties

Property	Value
Thermal Coefficient of Dielectric Constant	Negative
Volume Resistivity	1 × 10¹⁵ ohm-cm
Electrostatic Discharge (ESD) Sensitivity	Sensitive
Comparative Tracking Index (CTI)	600 V
Surface Resistivity	1 × 10¹⁵ ohm
Breakdown Voltage	16–20 kV/mm
Arc Resistance	125–130 s
Dissipation Factor	0.005–0.010

Mechanical Properties

Property	Value
Bearing Yield Strength	50 MPa
Tensile Strength, Yield	40 MPa
Tensile Strength, Ultimate	45 MPa
Hardness (Rockwell R)	109
Elongation at Yield	6%
Elongation at Break	10%
Flexural Yield Strength	75 MPa
Flexural Modulus	2300 MPa
Modulus of Elasticity	2300 MPa
Shear Strength	31 MPa
Compressive Yield Strength	65 MPa
Izod Impact, Unnotched	650 J/m
Izod Impact, Notched	160 J/m
Instrumented Impact Total Energy	20 J
Gardner Impact	320 J
Falling Dart Impact	29 J

Physical Properties

Property	Value
Water Absorption	0.1%
Moisture Absorption at Equilibrium	0.2%
Linear Mold Shrinkage	0.005 cm/cm
Melt Flow	15 g/10 min
Density	1 g/cm³

Regulation Properties

Property	Value
FAR 25.853 Flammability	D635 Self Extinguishing
ASTM/Mil-Spec	—
UL-94 Flame Class	HB
RoHS Compliance	Compliant
REACH Compliance	Compliant

Thermal Properties

Property	Value
CTE, Linear	80 µm/m-°C
CTE, Linear (Transverse to Flow)	110 µm/m-°C
Deflection Temperature at 1.8 MPa (264 psi)	90 °C
Deflection Temperature at 0.46 MPa (66 psi)	95 °C
Vicat Softening Point	105 °C
Thermal Conductivity	0.13 W/m·K
Flammability	HB UL94
Max Continuous Operating Temperature	180 °F
Minimum Operating Temperature	-20 °F

Advantages of ABS Plastic

High impact resistance with good toughness and rigidity
Excellent surface finish suitable for painting, coating, and plating
Good machinability for CNC, injection molding, and forming processes
Strong adhesion with metallic coatings and surface treatments
Good dimensional stability during processing and long-term use
Suitable for a wide range of manufacturing applications

Limitations of ABS Plastic

Limited resistance to organic solvents and certain chemicals
Lower heat resistance compared to engineering plastics
Moderate electrical insulation performance
UV and weather exposure can lead to degradation over time
Can be prone to surface scratching under harsh conditions
Flammability without flame-retardant modification
Potential stress cracking under certain chemical environments

ABS Parts Manufacturing Services

XTPROTO provides ABS parts manufacturing services, supporting both customer-supplied materials and a one-stop solution that includes material sourcing and part production. We have our own material warehouse,and we work closely with established ABS suppliers to ensure stable supply and competitive pricing, helping customers optimize procurement efficiency and overall project cost. Based on application requirements, we also assist in ABS grade selection to meet different needs in strength, heat resistance, and appearance. We possess professional manufacturing capabilities to produce high-quality ABS components; additionally, we offer comprehensive post-processing service ( electroplating, polishing, and custom color matching) to ensure consistent quality and appearance across our ABS products.

Available ABS Material Grades

We offer a variety of ABS material grades to meet different performance and application requirements.

General Purpose ABS

A versatile grade with balanced mechanical properties and broad processing compatibility across multiple manufacturing methods.

High-Flow ABS

Engineered for excellent melt flow, enabling efficient molding of complex geometries and thin-wall parts.

Plating Grade ABS

Optimized for superior surface finish and excellent adhesion in electroplating and coating applications.

High Impact ABS

Offers improved impact resistance during both processing and end-use performance.

Flame Retardant ABS

Formulated with flame-retardant additives for enhanced safety in electrical and electronic applications.

Manufacturing Processes for ABS Parts

We offer a range of manufacturing processes to produce ABS parts, depending on part geometry, production volume, and performance requirements. Each process offers unique advantages in terms of cost, precision, and scalability.

Injection molding

Molten ABS is injected into a mold and cooled to form parts, ideal for high-volume production of complex and precise components.

CNC Machining

ABS is cut and shaped using CNC machines, suitable for low-volume, custom parts with tight tolerances.

3D Printing

Parts are built layer by layer (commonly FDM ABS), ideal for prototypes and complex geometries with low setup cost.

Gallery Of Plastic CNC Machining Parts 1

Blow Molding

Air is used to inflate molten ABS inside a mold to form hollow parts such as containers and housings

Thermoforming

Heated ABS sheets are formed over a mold and cooled. The most common method is Vacuum Forming, which uses vacuum pressure to suck the softened sheet tightly against the mold.

Extrusion

ABS is melted and pushed through a die to create continuous profiles like sheets, rods, or tubes, which are then cut to length.

Surface Finishes Services

ABS Parts Surface Finishing Options

We offer the following surface finishing options for ABS parts:

As-Machined / As-Molded Finish
Sanding
Polishing
Painting / Coating
Electroplating
Vapor Smoothing
Texturing
Laser Marking
Surface Etching

Applications of ABS Plastic

Machine guards
Belt covers
Industrial protective housings
Medical device enclosures
Helmets
Knee pads
Protective gear
Rapid prototypes
CNC machined parts
3D printed parts
Vacuum formed parts
Food trays
Refrigerator liners
Packaging components
Household products

FAQ

How does XTPROTO ensure that the ABS material used is appropriate for specific functional requirements?

Beyond standard grade selection, XTPROTO performs a technical assessment of the intended application environment. For components subjected to extreme environments, recommendations extend beyond general-purpose ABS to specialized grades, such as High-Heat ABS for thermal stability, Flame-Retardant (UL94) ABS for safety compliance, or High-Impact ABS for vibration-heavy automotive and industrial housings. This ensures the material selection aligns perfectly with the mechanical load and regulatory standards of the project.

Are there any specific design considerations for ABS parts requiring post-processing like electroplating?

Yes. Since electroplating highlights surface imperfections, XTPROTO provides early-stage Design for Manufacturing (DFM) feedback. This includes advice on gate placement for injection molding, parting line management, and the optimization of radii to ensure uniform coating thickness and adhesion. By addressing these design factors before production, XTPROTO minimizes the risk of peeling or cosmetic defects in the final plated finish.

What is the lead time advantage of XTPROTO’s integrated material supply and manufacturing model?

By maintaining an internal material inventory and established supply chain, XTPROTO effectively bypasses the typical "material procurement delay" that often bottlenecks custom manufacturing projects. When an order is placed, raw materials are immediately available for production, drastically reducing the overall lead time. This integrated approach allows for a seamless transition from procurement to machining, molding, or forming.

How does XTPROTO handle quality consistency when switching between prototyping (CNC/3D Printing) and mass production (Injection Molding)?

XTPROTO implements a synchronized quality control process. For prototypes, tolerances and geometries are validated against the final design intent. During the transition to mass production, the manufacturing team ensures that the tooling design—such as draft angles and wall thickness—is optimized based on the initial validation data. This ensures that the functional and cosmetic consistency of the parts remains uniform, whether they are small-batch prototypes or large-scale production runs.

Does XTPROTO provide testing or documentation for ABS parts used in regulated industries?

Yes. For projects requiring specific industry certifications, XTPROTO offers comprehensive material documentation, including RoHS and REACH compliance reports. For components used in sensitive applications (such as medical or automotive housings), XTPROTO can support additional material verification and inspection documentation to ensure the delivered parts meet the required safety and environmental standards.

ABS Material Support

Not sure which ABS grade is right for your application? Contact XTPROTO for material guidance and integrated manufacturing support.

ABS