Liquid Silicone Injection Molding Service
Custom Liquid silicone injection molding services for silicone rubber prototypes, Silicone Rubber Injection Mold, and on-demand production silicone rubber parts. Get a free LSR injection molding & mold / tooling quotation and design feedback within hours.
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What Is Liquid Silicone Injection Molding and LSR Injection molding?
The process known as liquid silicone injection molding involves transforming liquid silicone rubber (LSR) from an uncured condition into a finalized, cured product.
With Liquid Silicone Rubber (LSR), the processing typically transpires via a liquid injection molding (LIM) procedure. The raw liquid material stems from the combination of two distinct components in a 1:1 ratio. The mixture is then injected through a cold-runner system into a hot mold. The notable aspect of this approach is the rapid curing that occurs within mere seconds, presenting the benefit of swift cycling and facilitating substantial quantity production.
Considering production efficiency, it’s most advantageous when manufacturing not less than 10,000 pieces per color. This level of output helps optimize cost-effectiveness.
LSR elastomer stands as a clear standout due to its exceptional optical clarity, inherent durability, and notable design adaptability, all while maintaining superior mechanical properties over a broad range of temperatures (-50oC to 250oC).
How to Build Liquid Silicone Injection Mold for LSR Molding Manufacturing?
Need mold-making supplies for mass production parts? We are known as the best mold maker in China. With mold making facilities in-house and resources from our partners, we are able to provide plastic injection molds for both rigid plastics and rubbers, metal injection molds for all types of precision stainless steel parts, and pressure die casting molds for aluminum, magnesium and zinc. We offer low-cost local production molds and high-quality exported molds for all your project needs.
Whether you need prototype molds for short-run production, or mass-production molds for millions of shots, we can handle them for you smoothly.
Our Liquid Silicone Injection Molding Capabilities
From plastic prototyping to production molding, our custom injection molding services are ideal for manufacturing high-quality molded parts at competitive prices with fast lead times. Robust manufacturing facilities and sophisticated machines ensure that the same mold tools are used to manufacture consistent parts. Even better, we offer free expert consultation for each injection molding order, including mold design recommendations, end-use material and surface treatment options, and shipping methods.

LSR Injection molding mold Making
With a wealth of experience and state-of-the-art machinery, we specialize in designing and manufacturing a wide range of liquid silicone rubber injection molding molds that meet your tolerances and cost requirements.

liquid silicone injection molding parts for medical
Our liquid silicone rubber injection molding process uses precision machinery to inject liquid silicone rubber into molds, resulting in medical-grade parts.

Liquid silicone over molding metal parts
By chemically bonding plastics, metals, and rubbers to each other, our overmolding reduces assembly time and gives our parts greater strength and flexibility.

Liquid silicone over molding plastic parts
Soft, liquid silicone rubber is injection molded along with hard plastics to create finished parts that incorporate multiple materials.

Ordinary liquid silicone injection molding
Liquid silicone rubber injection molds can be molded for more types of products in addition to the above, contact us for detailed support.
Our Liquid Silicone Rubber Injection Molding Processes
Liquid silicon rubber material comes in a kit that consists of two components: “A” and “B”.
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DFM Report
Mold Flow Analysis
Mold Tooling Production
T1 Sample Verification
Low Volume Production
Strict Inspection
Delivery
Why Choose Us for Custom LSR Injection Molding Services

Expertise in Liquid Silicone Rubber (LSR) Materials
We have extensive experience in liquid silicone rubber injection molding, ensuring high-quality, customized solutions tailored to your specific needs.

High Precision and Superior Quality
Using advanced molding technology, we ensure that every product meets the highest standards of functionality and appearance, with strict quality control on each part.

Fast Turnaround and Efficient Service
We promise quick turnaround times, delivering high-quality products while meeting tight deadlines to help you shorten your time to market.

Flexible Production Scale
Whether you need small-batch prototypes or large-scale production, we offer flexible manufacturing capabilities to accommodate your evolving needs.

Cost-Effective Solutions
We provide affordable, custom solutions for liquid silicone rubber injection molding, optimizing production processes and material choices to help you control costs while maintaining product quality.
Silicone Injection Molding from Prototyping to Production

Rapid LSR Silicone Injection Mold Tooling
Get design feedback and validation easily with premium prototyping tools. Create low-volume silicone molded parts with outstanding silicone molding prototypes. We specialize in manufacturing prototype silicone molds within days to ensure you perform functional testing and validate market interest.

Silicone injection Molding Production Mold Tooling
We manufacture high-quality production molds for high-volume silicone part production. Our production tooling is made from high-strength, durable tool steel materials suitable for producing hundreds of thousands of parts. We can vary materials and construction methods based on your unique requirements.
Gallery of Liquid Silicone Rubber Injection Molding Parts










Examining Silicone Injection Molding Services
Identify the Silicone Molding Service that Precisely Adheres to Your Distinctive Requirements. Discover, Choose, and Allow Us to Materialize Your Concept into Reality!
Material | Molding process | Mold Cavities | Mold Life | Colors | |
---|---|---|---|---|---|
Silicone Rubber Compression Molding | Solid Silicone Rubber | Compression | Single or Multi Cavity | About 50,000 times | Single color |
Liquid Silicone Rubber (LSR) Injection Molding | Liquid Silicone Rubber | Injection | Single or Multi Cavity | More than 200,000 times | Single color |
Multi color Silicone Molding, Dispensing(co-injection) Molding | LSR and SSR | Dispensing and compound | Single or Multi Cavity | More than 200,000 times | Multi-color |
Silicone OverMolding | Silicone Rubber, Plastic, Metal | Over-molded | Single or Multi Cavity | More than 200,000 times | Multi-color or Single Color |
Silicone Extrusion Molding | Solid Silicone Rubber | Extrusion | Single Cavity | About 50,000 times | Single color |
Our Injection Molding for Various Industrial Applications
We work with leading manufacturers from a variety of industries, and our custom silicone injection molding and liquid silicone injection molding and liquid silicone molds help more and more manufacturers turn their ideas into products.

Automotive

Aerospace

Consumer Goods

Medical Devices

Industrial Parts
Frequently Asked Questions
Liquid silicone products as the name suggests is made of liquid silicone products, relative to solid silicone, liquid silicone fluidity, vulcanization faster, and is in a sealed state, higher safety level. And the products made of liquid silicone have better tear resistance degree, resilience, anti-yellowing, thermal stability and heat resistance and aging resistance and other advantages. At present, it is mainly used in baby products, medical supplies and electronic products and other industries.
Our liquid silicone rubber injection molding factory has a dust-free molding workshop, can be customized all kinds of silicone products.
Our mold-making process includes 6 steps:
Step 1: Production arrangement: Determine all of the requirements and arrange the production.
Step 2: DFM report analysis: Provide free but detailed production DFM report for further feasibility analysis.
Step 3: Production of the mold: Put the mold into production and provide the Tooling Schedule form for the whole cycle for clients to check the process at any time.
Step 4: Free sample to test: Put the mold into production and provide the Tooling Schedule form for the whole cycle for clients to check the process at any time.
Step 5: Mass production: The client confirms the samples are qualified, then officially proceeds with the subsequent production.
Step 6: Mold saving: Production is completed and delivered after quality inspection. Mold will be cleaned and properly stored for the next round of parts production.
- Design Flexibility: The process allows for diverse designs and shapes, even intricate or complex geometries. It can also produce parts with varying wall thickness and can accommodate a great range of sizes.
- Durability: LSR parts are extremely durable and resilient. They can resist extreme temperatures, UV light, and exposure to many chemicals, making them suitable for harsh environments.
- Precision: LSR Over-Molding is a highly precise process. The liquid nature of LSR allows it to flow into and fill complex molds effectively, ensuring exact reproduction of the mold’s details.
- Sensory Characteristics: LSR products are soft and flexible, providing a comfortable and pleasing touch. Such haptics often elevate the user experience.
- Biocompatibility: LSR is often used in the medical industry due to its biocompatible nature. It doesn’t react with human tissue or bodily fluids, making it ideal for medical devices and implants.
- Efficiency: The LSR Over-Molding process is automated and capable of high-volume production, which translates to efficient production times and cost-effectiveness when producing large quantities.
- Low Waste: There’s minimal flash (excess material spilling out of the mold) in LSR Over-Molding, leading to less waste and lower materials costs.
After you place order, it takes about 35 days for mold designing and making, and more 3-5 days for molded parts production.
Generally, we generate the quote after our platform must have considered several factors, including the size of the component, mold complexity, number of injection cavities, materials, post-processing needs, etc.
Liquid silicone rubber is soft, elastic, odorless and transparent, with extremely high medical and food safety. It is often used in mold making and electronic modules. In short, there are many varieties of liquid silicone rubber. Generally, manufacturers can make different adhesives according to needs. Varieties with different consistencies, different cure speeds, different colors and different mechanical strengths.
Liquid silicone molding machines are divided into vertical and horizontal silicone. Vertical silicone is based on the opening and closing mold and sliding plate structure of the silicone machine. Its injection molding machine is more suitable for manual demoulding and the production of products with inserts. On the other hand, the horizontal silicone injection molding machine is more suitable for the production of products that can be automatically demoulded. The mold opening interval is short and the efficiency is higher during automatic demoulding.
There are two types of injection molding machines, the vertical single-slide liquid silicone machine, which is used to produce various high-demand, high-precision silicone rubber products, and the lower cylinder corner injection machine, which is a traditional method for producing composite suspension insulators, pillar insulators and lightning arresters. The existence of each machine model has its own meaning. If you don’t know about it, you can go to Like Fine and take a look. I believe you will gain a lot.