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2K Injection Molding

2K Injection Molding

ISO Class 8 Clean Room
Quality Control
Low & High Volume Manufacturing
Competitive Price
Reliability and Stability

2k injection molding is one type of injection mold. It is also named as two shot molding, double shot molding, double-color mold, Multi-material, or multi-component injection mold. 2k injection molding consists of two different plastic materials and colors.

With over 15 years mold making experience, we also specialized in making 2k injection molding. Here we always have a professional team who can help you make assessments and build personal 2k injection services project solutions for you at any time. Based on your part design, we are able to provide the best price 2k injection services solution with high-quality products. Rotary Platen Two Shot Molding and Core Toggle Two Shot Molding are our main 2k injection services. Affordable prices and quick lead time are our competitive advantage for 2K injection molding.


What is 2K Molding?

2K injection molding, also named a double injection, two-color injection molding, or 2 shot molding, is a process used to produce molded parts from two different materials with two colors.


As the 2K moulding factories, we operate 2K injection molding at one machine and perform two injections in one cycle. For the first cycle, plastic material is injected into a mold. Then rotated automatically and mix another property of plastic which was injected into the mold by the second nozzle.


2K injection molding integrates two different grad materials like hard and soft material to make a perfect combination with production. Two color injection molding is widely used in a variety of industries and it also allows for using clear plastics, colored patterns, and new style designs which help to make functionality products like medical plastic parts and reach marketplace value.



2K Mold Design

2K mold design is a pivotal factor for molding success.  Followings are factors that will make an influence 2k molding: dimensioning and location of the sprue gates, dimensioning of shear edges, flow aids, cooling and ejector techniques, etc. Here at Packson 2k moulding factories, we keep making good 2K mold designs and we are committed to making durable mold that is highly efficient operating and easy to make maintenance and molding production.


The followings are the points that we need to consider during 2K mold design:

  • Shrinkage of plastic material

  • Wall thickness

  • Cavity Numbers

  • Plastic material flow systems-Runner and Gate

  • Cooling system for around cavity and core

  • Ejection System

  • Air venting




Applications of 2K Injection Moulding

2K injection molding is perfect for combinations of hard and soft plastics and also if you want to process 2 colors of plastic in one product.

2K injection molding is a good way for you if you want to combine two different materials like hard material and soft material into one product by injection molding processing. We create full products in 2 steps by two color injection molding. The most common example made by 2K injection molding is bicycle handlebar, automotive button, toothbrushes with hard handle and soft handle piece, medical diagnosis machine control button, etc.



Part Name:2K Part | Marterial:ABS+TPE
Part Name:Air Condition Vent | Marterial:PPT40+SEBS
Part Name:Automotive Control Switch | Marterial:PC+PCABS
Part Name:Automotive Tail Light | Marterial:PMMA+PC
Part Name:Daytime Running Lamp | Marterial:PC+PMMA
Part Name:Media Control Panel | Material:PC+PA66GF15
Part Name:Media Control Panel | Material:PC+PA66GF15
Part Name: Tail Lamp | Material: PMMA+PMMA


2K Molding Design Guide

The 2K injection molding allows us to integrate multiple properties into one product: for instance, layered products, combinations of hard and soft plastic for making different color combinations.

The 2K injection molding allows us to combine two different properties of the material with hard and soft plastic for making two different colors.

Advantages Of 2K Injection Molding:

  • One-stop finished part without secondary processing and assembly steps

  • Excellent adhesion to the plastic part

  • Quick cycle times

  • The high degree of automation

  • High efficiency

  • Stable molding processes

  • Low-cost molding



2K Injection Molds Show


2K Injection Mold
2K Injection Mould
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2K Injection Mold
Packson - Your Injection Moulding Manufacturer
Your Expert in Injection Molding

ISO Class 8 Clean Room

Equipped with clean room and certificated with ISO 13485 and ISO 9001, we are able to hanlde your medical OEMS production.

Quality Control

We will check color, appearnce and tolerance by qulity control at every step during manufacturing process.

Low & High Volume Manufacturing

Except long run production, we also can provide better solution for your low-volume production by prototyping tooling.

Competitive Price

Our good investments in euipments and QC system help us to get greater efficiency and higher quality which decrease reject ratio. All these make us send parts to you on time with competitive cost.

Reliability and Stability

Our 24 hours|3 shifts production system help your parts get into market quickly and steadily.

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