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2K Injection Mould

2K injection mould refers to a specialized mold used in two-component (2-shot) injection molding, where two different materials or colors are injected into the mold in sequence to form a single, integrated part. This technology enhances product functionality, aesthetics, and durability—ideal for applications such as soft-touch grips, dual-color logos, seals, and ergonomic components.

  • Seamless Bonding Technology
  • One mold, High-Efficiency production
  • Material Compatibility : TPU+ABS, PC+PC, Soft+Hard Plastic
  • Overview
  • Production Capability
  • Materials
  • Finishes
  • Why Choose Us
  • Resources

Expertise in High-Performance Molding

The 2K Injection Mould from SunOn is a high-performance solution for industries seeking innovation, durability, and efficiency in multi-material moulding. Also known as double-shot moulding, this advanced process allows two different materials or colors to be injected into a single mould, creating a unified part with superior strength and design flexibility. Unlike traditional moulding methods, it eliminates the need for assembly, reduces labor costs, and ensures flawless bonding between materials.

Manufactured using high-grade steel and precision CNC machining, SunOn’s 2K moulds deliver consistent quality across high-volume production runs. They are designed to produce parts with seamless finishes, smooth transitions, and enhanced ergonomics. This makes them ideal for industries where performance and aesthetics are equally important.

Applications

SunOn’s 2K Injection Mould is trusted across multiple industries, including:

  • Automotive: dashboard switches, handles, grips, and sealing components.

  • Medical devices: ergonomic surgical tools, housings, and protective casings.

  • Electronics: mobile phone cases, keypads, earphones, and wearables.

  • Household products: appliance handles, kitchenware, and consumer goods.

  • Industrial equipment: protective covers, grips, and durable housings.

Benefits

Investing in SunOn’s 2K moulding technology provides significant advantages, such as:

  • Enhanced product design with two-color or multi-material combinations.

  • Stronger, longer-lasting parts with seamless bonding.

  • Cost efficiency by reducing assembly steps and labor.

  • Faster cycle times for large-scale production.

  • Improved aesthetics with smooth finishes and functional ergonomics.

  • Customizable solutions tailored to specific industries.

With decades of expertise and global reach, SunOn ensures every 2K Injection Mould delivers innovation, reliability, and long-term value.

From Design to Production

We offer a complete one-stop solution from initial product concept to final mass production. Our integrated workflow ensures precision, efficiency, and consistency at every stage—helping clients reduce lead time, control costs, and achieve superior quality.

CAD Design

Create precise mold design with dual cavities and rotating cores for sequential injection.

01

Precision Machining

Use CNC, EDM, and polishing to ensure accuracy and smooth surfaces of mold components.

02

Mold Testing

Conduct injection trials to optimize mold performance and correct any functional defects.

03

Mass Production

Start stable, efficient molding with full quality control throughout production process.

04
Silicone Mould

Market Benefits

Enhance product appeal, reduce waste, and boost competitiveness with two-color molding technology.

05

Upgrade with 2K Molding

Achieve seamless integration of materials and colors to enhance product value, efficiency, and market competitiveness.

Materials for Manufacturing

We offer a range of materials, including plastics, metals, and composites, selected for their strength, durability, and resistance to heat and chemicals. These materials ensure high-quality, long-lasting products for industries like automotive, electronics, and medical.

Name Description Feature
P20 Steel Pre - hardened plastic mold steel. Good machinability, polishability, uniform hardness.
H13 Steel Hot - work tool steel. Excellent thermal fatigue resistance, high toughness.
Stainless Steel (e.g., 420) Martensitic stainless steel. High corrosion resistance, good surface finish.

We can source any other materials upon request! If you don't see the material you need please contact us

Some of Our Samples

These samples highlight our expertise, but we provide a wide range of additional services.

Why Choose Us?

SunOn Industrial Group Limited offers end-to-end services from product design to mass production, specializing in high-quality solutions for industries like home appliances, automotive, and medical devices. With over 25 years of experience and a global presence, we ensure reliable, cost-effective solutions and seamless service from prototype to final assembly.

  • One-stop solutions from prototype to packaging.
  • Timely support across 27 cities worldwide.
  • Experienced engineers ensuring quality results.
  • ISO 9001, IATF 16949, ISO 14001 certified.

FAQs

When can I get the price?

Could you provide a sample for us?

What is your MOQ for the products?

How about the largest mold you ever made?

When did you start to export moulds to USA and Europe?

What do you need for the quotation?

Start production of your parts today