Industrial Grade Manufacturing

Precision ABS Injection Molding Services

Looking for precision custom abs molding? We deliver high-quality, impact-resistant components with fast turnaround times.

ISO 9001 Certified

RoHS Materials

DDP to USA & Europe

View Material Specs

1500 x 1200 mm

Max mold capacity for large structural parts and enclosures.

Multi & Family Molds

Optimized cavity layouts to lower unit costs for high-volume production.

Auto, Med & Tech

Delivering tight-tolerance ABS components for demanding industries.

Material Spotlight

What is ABS Injection Molding?

ABS (Acrylonitrile Butadiene Styrene) is a highly versatile, opaque thermoplastic polymer widely utilized in custom injection molding. It bridges the gap between standard commercial plastics and high-performance engineering resins, offering an exceptional balance of structural strength, aesthetic quality, and manufacturing processability.

Acrylonitrile

Enhances chemical resistance, surface hardness, and superior thermal stability.

Butadiene

A rubber derivative that delivers exceptional toughness and impact resistance.

Styrene

Provides structural rigidity, easy processability, and a premium glossy finish.

💡

Engineering Tip

Standard ABS is susceptible to UV degradation, which can cause yellowing and brittleness over time. If your molded parts will be exposed to direct sunlight or harsh outdoor environments, we highly recommend adding UV stabilizers during the compounding phase or opting for an ASA (Acrylonitrile Styrene Acrylate) alternative

Consult Our Engineers

ABS Material Options

Selecting the optimal resin is critical for precision injection molding. Compare the tensile strength and heat deflection temperature across our standard and engineering-grade ABS materials to ensure your product meets its operational demands.

General Purpose ABS (e.g., PA-757)

A solid baseline for most parts. It balances everyday strength and material cost nicely.

Tensile Strength ~45 MPa

Heat Deflection Temp. ~85 °C

High Flow ABS (e.g., Cycolac MG47)

Fills molds easily. Pick this if your enclosure has thin walls or complex internal ribs.

Tensile Strength ~40 MPa

Heat Deflection Temp. ~80 °C

Flame Retardant (FR-ABS)

Meets UL94 V-0 safety standards. Often strictly required for electronics and power supply casings.

Tensile Strength ~38 MPa

Heat Deflection Temp. ~75 °C

Max Tensile Strength

Glass-Filled ABS (GF-ABS)

Adding glass fibers makes the part noticeably stiffer. Good for internal structural parts that need to hold loads without bending.

Tensile Strength ~70 MPa

Heat Deflection Temp. ~100 °C

Max Heat Resistance

PC/ABS Blend

Handles higher working temperatures and takes a physical hit much better than standard ABS.

Tensile Strength ~55 MPa

Heat Deflection Temp. ~110 °C

Precision Process Control for ABS Molding

Moisture Control

ABS is hygroscopic. We strictly dry all ABS resins at 80°C - 90°C for 2 to 4 hours prior to injection to prevent splay marks and silver streaks, ensuring cosmetic perfection.

Shrinkage Management

Standard ABS shrinks uniformly at 0.4% - 0.9%. Our engineers account for this during the mold design phase to eliminate warping in flat enclosures.

Optimal Tooling Steel

For standard SPI finish, we utilize P20 or H13 steel. For high-gloss cosmetic parts, we upgrade to NAK80 or S136 stainless steel to achieve an SPI-A2 mirror finish.

DESIGN FOR MANUFACTURABILITY

Let's Optimize Your Design

Before we start cutting steel, let's look at your 3D model together. Our engineers will help you spot structural issues, prevent common molding defects, and save money on unnecessary mold modifications later. We want your parts to fit perfectly and look great on the first try.

Keep Wall Thickness Even

Recommended: 1.2mm - 3.5mm. ABS is sensitive to thick-to-thin transitions. If the walls are uneven, the plastic cools at different speeds, which usually leaves you with sink marks (those annoying little dents on the surface) or warped parts. We’ll review your CAD file and suggest practical ways to hollow out thick sections or smooth out the transitions.

Plan for Material Shrinkage

Typical ABS shrinkage: 0.5% - 0.7%. ABS naturally shrinks a bit as it cools down in the mold. If we don't plan for this, your parts simply won't fit together during assembly. Just let us know which specific ABS grade you plan to use (like Chimei or Sabic), and we’ll adjust the mold cavities to compensate for that exact shrink rate.

Add Draft Angles for Easy Release

Standard rule: 1° - 2° per side. Think of baking a cake—you need sloped sides to get it out of the pan in one piece. Injection molding works the same way. Adding a slight angle to vertical walls stops your part from sticking or getting scratched when it pops out. If you need a textured surface finish, we'll advise you on exactly how much extra angle to add.

Keep Production Moving: 100 to 1M Parts

Whether you're testing a design for North America or securing Europe's supply chain, our tooling meets your timeline with reliable lead times, steady output, and consistent quality.

Phase 1

Fast Testing with Aluminum Tooling

When you need parts quickly to test the market, an aluminum mold (AL7075) is ideal. T1 samples ship in 10-15 days, helping verify designs and avoid costly steel changes.

Phase 2

Stable Pilot Runs with Bridge Tooling

Ready for your first parts? Pre-hardened P20 steel builds faster bridge molds, reducing wait times while ensuring stable tooling for smooth assembly.

Phase 3

High-Volume Production You Can Rely On

When capacity matters, consistency is key. We use H13 or S136 steel for durable multi-cavity molds, optimizing cooling for tight cycles and stable shots, ensuring steady supply and low per-part costs.

From Inspection to Your Door

First Article Inspection (FAIR)

We measure your parts using CMM. When we send your T1 samples, we include a clear dimensional report. This makes it easy for your engineering team to verify the specs and move the project forward without guessing.

Clear Material Tracking

We only use authentic resins. To give you peace of mind, every production batch comes with standard COA (Certificate of Analysis) and RoHS paperwork. You will always know exactly what material went into your parts.

Door-to-Door Shipping (DDP)

We handle the freight and customs headaches so you don't have to. We ship DDP (Delivered Duty Paid) directly to your warehouse or assembly line, focusing heavily on routes to North America and Europe.

Reliable ABS Tooling

We build ISO-certified molds for your ABS parts. No over-promising, just solid engineering to control shrinkage and ensure your parts fit together perfectly.

10+

Years in Plastics

Real-world experience in handling ABS shrinkage and warpage issues.

±0.002mm

Tooling Precision

Tight CNC machining tolerances on the steel, ensuring your final molded parts meet the specs.

15 Days

T1 Samples

Fast turnaround for simple designs or Aluminum Soft Tooling to help you test the market quickly.

24H

DFM Feedback

We review your 3D files for draft angles and wall thickness to prevent issues before cutting steel.

Our partners

Certifications

Technical Insights

Frequently Asked Questions about ABS Molding

Find answers to common technical queries about ABS injection molding. Can't find what you're looking for? Our engineering team provides 24H DFM support to resolve your specific project challenges.

Call Us Directly

+86 15268369865

Can ABS be injection molded easily, and can ABS plastic be injection molded for complex geometries?

Yes. When evaluating if can ABS be injection molded easily, the answer is a straightforward yes due to its predictable shrinkage and low melting temperature. Furthermore, can ABS plastic be injection molded for complex geometries? Absolutely. Its consistent flow behavior allows it to fill intricate mold cavities

What is injection molded ABS and is it toxic?

For end-users, knowing what is injection molded ABS and is it toxic is crucial. Solid ABS is completely non-toxic and widely used in consumer goods, toys (like LEGOs), and medical housings. However, during the melting process in the factory, it can release fumes, which is why our facilities use industrial ventilation. Once cooled, the final part is 100% safe.

Is there a difference between ABS and injection mold fairings?

Buyers sourcing motorcycle parts often ask: is there a difference between ABS and injection mold? Yes. ABS is the raw plastic material itself, while "injection molding" is the manufacturing process. So, is there a difference between ABS and injection mold fairings? A high-quality fairing is made using the injection molding process with ABS plastic to ensure maximum impact resistance and a perfect fit.

How much on average for ABS injection molding, and how long do molds last?

How much on average for ABS injection molding depends on part complexity and volume, but ABS resin itself is highly cost-effective. Tooling costs dictate the initial investment. How long do injection molds last for ABS? Since unfilled ABS is non-abrasive, an aluminum soft tool can easily last 10,000+ shots, while a hardened P20 or H13 steel mold will yield 100,000 to over 1,000,000 parts.

How to calculate shrinkage in ABS for injection molding?

Knowing how to calculate shrinkage in ABS for injection molding is critical for holding tight tolerances. Standard ABS shrinks uniformly at 0.4% to 0.9%. Our tooling engineers calculate this by applying a precise scaling factor to your 3D CAD model, machining the mold cavity slightly larger to compensate for the plastic shrinking as it cools.

Can ABS and nylon use the same injection mold?

Engineers frequently ask: can ABS and nylon use the same injection mold (sometimes searched as can ABS and hylon use the same injection mold)? Practically, no. Nylon (PA) has a significantly higher shrinkage rate (1.2% - 2.0%) compared to ABS (0.4% - 0.9%). If you inject Nylon into a mold engineered for ABS, the final parts will be undersized and fail dimensional inspections.

Is polypropylene better than ABS for injection molding?

It depends on the application. Is polypropylene better than ABS for injection molding? If you need chemical resistance and high flexibility (like a living hinge), PP is better. However, if your part requires high structural rigidity, impact resistance, and needs secondary operations like painting or electroplating, ABS is the superior choice.

How to identify injection molded plastic material ABS?

If you need to reverse-engineer a part and wonder how to identify injection molded plastic material ABS, look for a molded-in "ABS" material stamp or a recycling triangle with a "7". In a lab, a simple burn test works: ABS burns with a yellow flame, produces thick black smoke, and emits a distinct sweet, styrene odor.

How does injection molding work with ABS plastic?

To understand how does injection molding work with ABS plastic (or how to ABS injection mold), the process starts with drying the hygroscopic pellets. If you ask how does injection molding machine with ABS plastic work, the machine feeds the dried resin into a heated barrel (180°C–230°C). The reciprocating screw injects the molten plastic under high pressure (100-200 bar) into a precision CNC-machined mold.

Can ABS be injection molded and be flameretardant, or dual injection molded?

Yes to both. Can ABS be injection molded and be flameretardant? We frequently run custom FR-ABS compounds to achieve UL94 V-0 ratings for electronics. Additionally, if you ask can PC be duel injection molded with ABS, the answer is yes. We use two-shot molding (dual injection) or PC/ABS blends to combine the extreme heat resistance of Polycarbonate (PC) with the flexibility of ABS.

What is involved in custom ABS molding?

When you partner with us for custom ABS molding, the process goes far beyond just shooting plastic. It includes comprehensive DFM analysis, selecting the exact material grade (high-flow, glass-filled, or UV-resistant), precision tool making, and secondary cosmetic finishes to match your exact specifications.

How to mold ABS plastic without warping or defects?

Manufacturers must know exactly how to mold ABS plastic to avoid defects like splay or sink marks. To successfully mold ABS plastic, you must strictly pre-dry the resin (80°C for 3-4 hours) and maintain an optimal mold temperature (40°C–80°C). Our engineers also optimize your wall thickness and gate locations during the DFM stage to prevent internal stress.

Ready to Review Your ABS Project?

Send us your STEP/IGES files. Our engineering team will provide comprehensive DFM feedback, tooling strategy, and a transparent quote within 24 hours.

Email Us

Annie@gbminjection.com

Call Us

+86 15268369865

Headquarters

Room 101, Jiumo Technology Park, Gangsheng Road, Yabian Village, Shajing Street, Baoan District, Shenzhen City

Request a Quote

Name *

Work Email *

Company

Part Material

File Link (Optional)

Project Details *