2K Injection Molding Services From China
Formioo is a leading 2K injection molding manufacturer with its own advanced production facility and a strong supplier network. Delivering high-precision, multi-material injection molded parts.
- 50+ Certified Materials & 15+ Surface Finishing Options
- Value propositions in prototyping and mass production
- ISO 9001:2015 Certified, serving global quality standards
- Extensive Manufacturing Expertise with a strong supply network
- Precision 2K Injection Molding with tolerances as tight as ±0.01 mm
2K Injection Molding Small Batch Production
Formioo is a high-accuracy 2K Injection Molding expert offering cost-effective and reliable manufacturing solutions to the automotive, medical, electronics, and consumer goods sectors. Being a leading manufacturer with a robust supply chain network, we make sure you get the best technology and premium production.
Equipped with cutting-edge high-tonnage dual-shot technology and highly trained process control, with precise molding procedures, a wide range of materials, and finishing. From high-speed prototyping to commercial production, we all stick to rigorous quality standards, ISO 9001:2015 certified, and deliver accuracy and reliability.
In a bid to bridge the gap between innovative design and high-end manufacturing, Formioo makes available high-performance components at low prices.
Our 2K Injection Molding Services
Taking advantage of high-end 2K injection molding technology, Formioo has its own state-of-the-art factory and works with top-tier suppliers nationwide in China to provide dual-color precision molding with tolerances as low as ±0.01 mm over 50+ materials. Both our process allows for rapid prototyping or high-volume production, provides various surface finishing options, and fast turnaround times. This integrated manufacturing technology delivers affordable, high-quality parts that accommodate the varied needs of industries.
Overmolding is secondary material accurate molding on a pre-existing substrate to enhance product performance and esthetics.
Insert molding integrates pre-made components into the mold cavity, then injects a secondary material for a seamless multi-material assembly.
Sequential two-shot molding injects two materials sequentially in distinct stages, offering accurate bonding and functional integration in intricate product designs.
Co-injection molding co-injects the core and skin materials together to create a multi-layered structure with optimum performance and least material consumption.
2K Injection Molding Capabilities
Material Compatibility
Capable of processing varied polymers like ABS, PP, PC, and others to fit different production needs.
Printing Accuracy
Capable of processing varied polymers like ABS, PP, PC, and others to fit different production needs.
Maximum Build Size
Capability to produce parts up to 1000mm × 600mm × 500mm, ideal for small to medium applications.
Surface Finishing Options
Various finishing methods such as painting, plating, and polishing are available.
Delivery Time
5-10 days typical lead time with option for rush services on projects needing swift attention.
Explore Our Precision-engineered 2K Injection Molded products
From prototyping to mass production, our high-performance components consistently meet the toughest industry standards.
2K Injection Molding Tolerance
| Part Feature | Material | Tolerance |
|---|---|---|
| Wall Thickness | General Plastics | +/-0.05 mm |
| Length/Width/Height | General Plastics | +/-0.1 mm |
| Hole Diameter | General Plastics | +/-0.1 mm |
| Pin Position | General Plastics | +/-0.05 mm |
| Surface Finish | All materials | — |
| Color Registration | Multi-color Plastics | +/-0.1 mm |
| Assembly Fit | Plastics | +/-0.1 mm |
- *Formioo accommodates part lengths of up to 48", depending on the process. For larger dimensions, please reach out to us for inquiries. The tolerances listed represent minimums under ideal conditions; however, looser tolerances may be necessary based on the process, material selection, or part geometry.
2K Injection Molding Materials
PP
Polypropylene is an appropriate material for 2K injection molding due to its low density, chemical resistance, and good processability. It is also applied in automotive parts, household products, and packages. For example, the combination of PP and TPE is widely used for automotive bumpers, with rigid feel and soft touch.
- Mill Lead Time: Up to 3 days
- Color: Natural, black, or custom colors
PVC
PVC is prevalent in 2K injection molding due to its enhanced chemical resistance and impact strength. It is used widely in electrical and building parts. For instance, PVC is blended with TPE to produce hard yet flexible seals and pipe fittings that must be hard and flexible.
- Mill Lead Time: Up to 4 days
- Color: Clear, white, black, or custom colors
ABS
ABS is also a common material for 2K injection molding due to its impact resistance, mechanical properties, and good processing behavior. ABS is widely applied in automotive, electronics, and consumer goods. ABS is usually combined with soft-touch resins for automotive dashboards and electronic enclosures.
- Mill Lead Time: Up to 3 days
- Color: Black, neutral matte finish
PC
Polycarbonate is a strong plastic used in 2K injection molding ranging from applications that require impact strength and transparency to automotive, lighting, electronics, and medical uses. The most typical uses are found in the automotive industry. Polycarbonate, for example, is mixed with TPU to make tough automotive switch panels.
- Mill Lead Time: Up to 5 days
- Color: Clear, amber, or custom colors
PA
Polyamide (Nylon) is very wear-resistant, possesses high strength, and thus most appropriate for 2K injection molding. It is used extensively in such industries as automobile, electronics, and industry. For instance, nylon can be blended with soft-touch TPE for uses such as automotive connectors demanding both strength as well as sealability.
- Mill Lead Time: Up to 7 days
- Color: Natural, black, or custom colors
PET
Polyester is used in 2K injection molding due to the properties of strength, abrasion resistance, and dimensional stability. Automotive, consumer goods, and electronics are the most common uses of polyester. Polyester is also blended with elastomers to produce automotive parts that are resilient, flexible, for example, seatbelt assemblies.
- Mill Lead Time: Up to 5 days
- Color: Clear, black, or custom colors
PU
Polyurethane is a versatile material used in 2K injection molding due to its high wear resistance, flexibility, and durability. It is commonly used for automotive, industrial, and medical applications. For example, polyurethane is used in automotive suspension parts when combined with rigid materials like PA to provide shock absorption and high resilience.
- Mill Lead Time: Up to 7 days
- Color: Transparent, black, or custom colors
TPU
TPU is a wear-resistant, elastic compound ideally suited for 2K injection molding with high tear resistance and elasticity. TPU is most commonly applied in automotive, medical, and consumer product uses. For example, TPU is often blended with rigid materials like ABS or polycarbonate for mobile phone case and automotive parts applications.
- Mill Lead Time: Up to 5 days
TPV
TPV is a high-performance material that is applied in 2K injection molding, which transfers the characteristics of vulcanized rubber and thermoplastics. TPV is utilized in automotive and industrial applications for items that require durability and flexibility. For example, TPV is mixed with a hard plastic like PP or ABS to produce weather-resistant seals and gaskets for external automotive applications.
- Mill Lead Time: Up to 6 days
- Color: Black, gray, or custom colors
Finishing Options for 2K Injection Molding
| Name | Applicable Materials | Colors | Can Be Applied with | |
|---|---|---|---|---|
|
Polishing | Plastic, Rubber, Metal | — | Buffing, Tumbling |
|
Electroplating | Plastic, Metal | Chrome, Gold, Silver | Electroplating Bath |
|
Anodizing | Aluminum, Metal | Clear, Black, Gold | Media Blasting, Tumbling, Anodizing |
|
Powder Coating | Plastic, Metal | Custom Colors | Spray Application |
|
Painting | Plastic, Metal | Custom Colors | Spray, Dip, or Brush Application |
|
Laser Etching | Plastic, Metal | — | Laser Machines |
|
UV Coating | Plastic, Rubber | Glossy, Matte | UV Curing Process |
|
Silk Screening | Plastic, Rubber | Multiple | Manual or Automated Process |
|
Bead Blasting | Plastic, Metal | — | Sandblasting, Abrasive Blasting |
|
Surface Texturing | Plastic, Rubber | — | Mold Texturing, Laser Etching |
- *We offer a range of additional finishing options, including chromic acid anodizing, cadmium plating, copper plating, titanium anodizing (blue anodizing), gold plating, silver plating, and more. If you require finishes for materials not mentioned here, please reach out to us directly.
2K Injection Molding FAQs
How do I obtain a quotation for my project?
Simply email or send us your design specifications to upload through our website and we will quote competitively straight away.
What is your normal lead time?
Our normal lead time is 5-10 working days, but if timing is tight, this can be accelerated.
Do you produce small orders or prototypes?
Yes. We accept small runs and prototypes and can ramp up for mass production if necessary.
How do I send my design files?
You can upload your files through our website or send them to us directly for verification.
How do we process payments?
We normally take an advance deposit with the balance paid on delivery and would be happy to negotiate more flexible terms.
Do you provide after-sales support?
Yes, our customer service team is happy to help you with any queries or issues once you are in production.
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