Multi-Shot Injection

TYM's multi-shot injection molding solutions deliver precision 2K and double-color parts for medical, automotive, and electronics. With 20+ years in LSR technology, we engineer complex molds and production systems that scale reliably from prototype to mass manufacturing.

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Advanced Multi-Shot & Double-Color Injection Molding Solutions

Multi-shot (double-color) injection molding is a precision manufacturing process that combines two or more materials or colors into a single part within one continuous molding cycle, using sequential or rotary injection to achieve seamless material transitions.

This process enables complex color combinations, dual-hardness designs, and functional material pairing — such as soft-touch silicone with rigid plastic — without manual assembly. Multi-shot parts offer precise color registration, strong interfacial bonding, and consistent quality across high-volume production runs.
With advanced multi-station tooling, rotary/index platen systems, and precise shot-sequencing control, Guangzhou Tianyuan Intelligent Manufacturing Technology Co., Ltd. helps global manufacturers achieve reliable double-color and multi-material part production — from consumer electronics housings and wearable accessories to automotive buttons and medical device components.

From mold design and color/material sequencing to full-scale automated production, TYM's multi-shot injection molding solutions are engineered to eliminate secondary assembly, improve visual and functional consistency, and accelerate your production timeline.

Talk to a Multi-Shot Molding Specialist

What Is Multi-Shot Injection Molding ?

Learn how multi-shot injection molding combines two or more materials or colors within a single mold through sequential injection stations, precise shot timing, and rotary or slide-transfer mechanisms — creating a seamlessly integrated, multi-material part in one continuous cycle.

Learn More About Multi-Shot Molding

Multi-shot injection molding is a manufacturing process that combines two or more materials or colors within a single mold — using sequential injection stations, precise shot timing, and rotary or slide-transfer mechanisms to form one seamlessly integrated part.

Two-color liquid silicone baby pacifier - TYM

Compared with separately molded and assembled components, multi-shot molding offers:

Precise color registration and material bonding

Combined soft-touch and rigid material properties in one part

No secondary assembly, adhesives, or fasteners required

Higher structural integrity at material interfaces

Improved surface aesthetics and ergonomic design freedom

Better scalability for complex, multi-color parts

Once formed, the multi-material interface delivers consistent color accuracy, strong interfacial bonding, and long-term durability — even under repeated mechanical stress and temperature cycling, making multi-shot molding ideal for consumer electronics housings, wearable accessories, and automotive interior components.

Advantages of Multi-Shot Injection Molding

Multi-shot injection molding helps manufacturers create durable, seamlessly integrated multi-material parts in a single production cycle — eliminating secondary assembly while improving color precision, material bonding, and product consistency. With expertise in shot-sequencing control, mold design, and multi-material compatibility, TYM helps OEM/ODM partners build reliable double-color and multi-shot molding solutions.

Optimize Your Multi-Shot Molding Process

Precision & Color Consistency

Multi-shot molding is ideal for complex, multi-color and multi-material parts requiring precise registration and repeatable quality at high volume.

Excellent Combined Material Properties

The multi-shot material interface provides:

Excellent flexibility at the bond line

Biocompatibility

High and low temperature resistance

Long-term aging and bond durability

Excellent electrical insulation

Chemical resistance

Multi-shot molding is ideal for housings, buttons, and grips requiring stable, high-volume multi-material production.

High Automation Compatibility

Multi-shot molding is naturally compatible with automated manufacturing processes, using precision shot-sequencing and rotary/slide-transfer control to reduce human error while improving color and material consistency.

Material & Color Compatibility

Multi-shot molding capability supports:

Soft-touch and rigid material combinations

Two-color and multi-color part production

Multi-material, multi-cavity production

Thin-wall multi-shot molding

Multi-station rotary/index molding

Allowing greater flexibility in product design and color combination.

Typical Applications of Multi-Shot Injection Molding

Multi-shot injection molding is widely used for components that require precise color combinations, dual-hardness design, or multi-material integration. TYM supports OEM/ODM partners across consumer electronics, automotive, medical, and industrial applications with mold design, shot-sequencing optimization, and full-process production support.

View Multi-Shot Molding Industry Solutions

01

Medical & Life Science

· Respiratory components

· Medical seals

· Silicone diaphragms

· Wearable healthcare components

LSR injection molding solution for medical and life science silicone components - TYM

02

Automotive

· Automotive sealing systems

· Waterproof sensor components

· EV silicone parts

· Connector sealing structures

LSR silicone components for automotive sealing and EV applications - TYM

03

Consumer Electronics & 3C

· Waterproof sealing structures

· Silicone keypads and cushioning parts

· Wearable device components

· Precision electronic silicone parts

LSR overmolding solution for consumer electronics and wearable devices - TYM

04

Industrial & New Energy

· Industrial sealing systems

· Waterproof connectors

· Electrical insulation components

· New energy silicone applications

LSR silicone components for industrial sealing and new energy applications - TYM

Integrated Support for Multi-Shot Molding Projects

From DFM review and material/color compatibility analysis to mold design, shot-sequencing optimization, automation integration, and production trials, TYM supports OEM/ODM partners through the full multi-shot molding development workflow — from prototype validation to mass production.

Get a Complete Turnkey Solution

Step.1

DFM analysis

Step.2

Mold flow analysis

Step.3

Mold design & manufacturing

Step.4

LSR injection molding equipment

Step.5

Automation integration

Step.6

Process optimization

Step.7

Mold trials & production support

TYM Multi-Shot Molding & Mold Engineering Capabilities

TYM combines precision multi-shot tool design, shot-sequencing control, material/color compatibility expertise, and automated injection systems to help OEM/ODM partners build reliable, high-precision double-color and multi-material production solutions.

Explore Our Machinery & Molds

Precision & Shot-Sequencing Control

TYM provides multiple multi-shot process configurations suitable for different industries, product structures, and material/color requirements. Key features include the following:

High-response servo control systems

Precision shot-sequencing and timing control

Stable interface temperature management

High color and dimensional repeatability

Automation-ready integration

Long-term bond durability

Both two-color and multi-material molding solutions are available for complex, multi-component production applications.

Precision Multi-Shot Tool Manufacturing

Multi-shot molding requires extremely precise mold structures, accurate rotary or slide-transfer mechanisms, and optimized venting systems. TYM provides advanced multi-shot tool design and manufacturing capabilities, including:

Multi-station rotary/index molds

Coldrunner systems

Automated demolding structures

High-polish mold processing

Micro-precision mold manufacturing

Two-color and multi-material mold solutions

Through mold flow analysis and structural optimization, we help customers improve production efficiency and color/material consistency.

2K LSR Injection Production Project Case Study

See how TYM combines LSR mold design, injection molding equipment, automation, and process planning to support scalable silicone component production for demanding applications.

Two-Color LSR Kitchen Scrubber Brush – Automated Molding Solution

2K LSR injection molding joins a rigid handle and soft scrubbing bristles into one kitchen silicone brush in a single automated cycle. The Two-Color LSR Kitchen Scrubber Brush solution removes manual assembly steps and keeps every brush consistent at production volume.

Cavities

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Two-Color LSR Kitchen Scrubber Brush – Automated Molding Solution

Tailored LSR Molding Solutions for Your Business

Find quick answers about TYM’s multi-shot molding technology, precision tooling fabrication, and global turnkey engineering services.

Market

Which markets do you serve?

We serve global markets including Europe, North America, South America, Southeast Asia, the Middle East, Africa, and domestic China markets.

Which customers usually cooperate with TYM?

Our customers include medical product manufacturers, baby product factories, automotive parts suppliers, silicone product manufacturers, and industrial component producers.

Production

Can you provide installation and training services?

Yes. We provide machine installation guidance, online technical support, process training, parameter adjustment assistance, and after-sales services for customers worldwide.

Manufacturing

Do you support automated production lines?

Yes. Our machines can be integrated with robotic arms, automatic demolding systems, insert loading systems, conveyor systems, and vision inspection equipment to realize automated production.

What industries do your machines serve?

Our equipment is widely used in medical, maternal and baby care, automotive, consumer electronics, kitchenware, industrial sealing, diving products, and labor protection industries.

Request a Custom LSR Manufacturing Solution

Ready to upgrade your silicone production capabilities? Share your product design, capacity requirements, or technical challenges below. Our engineering team will provide a tailored turnkey solution and detailed quotation.