Injection Rubber Molding Service
Jiangzhi, as a rubber molding company, delivers expert-level rubber injection molding processes, ensuring the manufacture of durable and precise custom rubber parts. Experience top-quality injection mold rubber solutions with advanced technology.
Jiangzhi specializes in injection rubber molding, catering to both low-volume production and end-use manufacturing. Our high-quality molds, typically crafted from steel, ensure exceptional durability. Starting at just $500, our mold costs are highly competitive. We offer a diverse range of rubber materials, ensuring you can choose the perfect rubber compound for your injection molding rubber project, whether it’s for prototype development or large-scale production.
What Is Injection Rubber Molding?
Rubber injection molding is a manufacturing process where rubber is injected into a custom mold under high pressure, then heated to cure and harden into the desired shape. This method produces precise, durable, and complex rubber parts, suitable for any production volume. Injection rubber molding offers design flexibility, supports a wide range of rubber materials, and ensures efficient production. It’s commonly used for seals, gaskets, and other custom rubber components across automotive, medical, and consumer goods industries.
Injection Mold Rubber Capabilities
To ensure high-quality results in injection rubber molding, mastering core capabilities in rubber mold making is crucial. This involves precise injection mold design, material selection, and mold fabrication, which are key to rubber part manufacturing. These capabilities improve product quality, manufacturing efficiency, and ensure molds meet design specifications for optimal performance.
| Name | Detail |
|---|---|
| Size |
78.74in. x 59.05in. x 39.37in. 2000mm x 1500mm x 1000mm |
| Mold Cavities | Single or multi-cavity |
| Mold Life | Unlimited (We will open a new mold if the old one worn out) |
| Mold Storage | Forever |
| Mold Material | P20 Steel |
| General Tolerance | Normally +/- 0.008in.(0.2mm) |
Injection Rubber Molding Material
We offer a wide selection of rubber materials for injection molding, tailored to meet the specific needs of various industries. Our range includes standard rubber, medical-grade rubber, and optical-grade rubber, with hardness options ranging from Shore A 15 to 95. Our rubber materials include:
Rubber Materials
- Silicone
- Ethylene Propylene Diene Monomer (EPDM)
- Nitrile (NBR)
- Neoprene (CR)
- Styrene Butadiene Rubber (SBR)
- Natural Rubber (NR)
- Butyl Rubber (IIR)
- Fluoroelastomer(FKM)
Additives
- Softeners
- Colorants
- UV Stabilizers
- Flame Retardants
- Lubricants
- Reinforcing Agents
Rubber Materials Selection Guide
The material impacts the product's durability, performance, aesthetics, and cost. Choosing the right material for rubber molding parts is critical to the success of any manufactureing project. Read this comprehensive guide and understand the complex process of material selection.
Custom Parts Surface Finishing Case
SPI A
High Gloss Finishing Part
Diamond - polished mirror finish for clear or premium parts.
SPI B
Semi-Gloss Finishing Part
Fine-polished smooth surface with controlled shine.
SPI C
Matte Finishing Part
Non-reflective sanded finish for uniform, low-glare parts.
SPI D
Textured Finishing Part
Grit-blasted surface for grip, coverage, and defect masking.
How Does Rubber Injection Molding Work?
Our injection rubber molding service process is a highly efficient method for producing a wide range of rubber parts. The rubber molding process involves several key steps:
01
Material Preparation
Rubber (e.g., EPDM, Nitrile, Silicone) is loaded and heated to make it flowable for molding.
02
Injection Molding
The rubber is injected under high pressure into the custom mold, filling all cavities and forming the part.
03
Curing or Vulcanization
Heat is applied to cross-link the rubber, giving strength, elasticity, and durability.
04
Cooling and Ejection(Demolding)
The mold is cooled, opened, and the finished part is removed and trimmed.
Examples of Rubber Injection Molding Products










Custom Contract Manufacturing Capability
Jiangzhi offers custom contract manufacturing to provide precise solutions for your business needs. Utilizing advanced technology and a flexible approach, we deliver high-quality, cost-effective production. For low or high volume, we partner with you to ensure products meet all specifications and are delivered on time.
Advantages of Injection Molding Rubber
- High accuracy and consistency
- Improve production efficiency
- High material utilization
- Adapt to complex design
- Reduced labor costs
- Reduced post-processing requirements:
Rubber Mold Injection Application
- Seals
- Gaskets and washers
- Rubber buttons
- Belts
- Bottle stoppers
- Automotive cushions
- Rubber hoses
Rubber Molding Parts in Different Industries
From O-rings and gaskets to vibration dampeners, cable boots, and hydraulic seals, rubber injection molding delivers precise, durable injection rubber components that withstand harsh operating conditions and keep machinery running reliably regardless of industry. We match material properties and geometry to your specific demands to ensure peak performance in every application.
Why Choose Us for Injection Rubber Molding Service?
High Precision & Consistent Quality
We use premium-grade steel molds and tightly controlled processes to ensure consistent, high-quality parts across each batch.
Fast Turnaround & Flexible Capacity
In-house tooling and agile workflows enable us to deliver T1 prototypes in as fast as 2 weeks, and scale to meet low-volume manufacturing needs efficiently.
Expert Engineering Support
Our experienced team provides design-for-manufacturing advice, material guidance, and prototyping recommendations to ensure manufacturability and performance.
One-Stop Prototyping & Small-Batch Solution
We offer a full stack of services, from mold design and rapid injection molding to trial runs and quality inspection, streamlining your path from idea to functional parts.
One-Stop Injection Molding Solution Manufacturer
From prototyping to full-scale production, we deliver custom plastic and rubber parts with accuracy, efficiency, and minimal waste.
Jiangzhi Other Processing Services
FAQs of Custom Rubber Injection Molding
Don't get your answer? Let’s jiangzhi answer for you!
What is your typical lead time for mold and samples?
Our typical lead time is 2–4 weeks, depending on part complexity. We confirm design and material upfront to avoid delays.
Do you have a minimun order quanity (MOQ) for rubber injection molding?
Yes. Our MOQ starts from 1 pc, making us suitable for prototyping and low-volume production.
How do you ensure rubber parts meet tight tolerances (±0.2mm0 consistently?
We achieve tight tolerances through controlled mold temperature, injection pressure, and 100% first article inspection.
Can you match a specific rubber compound from an existing part I provide?
Yes. We can analyze your sample and match or optimize the rubber compound to ensure equivalent performance.
What certifications do your rubber materials hold?
We offer materials compliant with FDA, UL, RoHS, and REACH, depending on application requirements.
Do you offer DFM feedback before mold fabrication?
Yes. We provide DFM feedback before tooling to reduce molding risks and avoid costly revisions.
