Custom Molded Rubber Parts
  • Air ProCustom Molded Rubber Parts
  • Air ProCustom Molded Rubber Parts

Custom Molded Rubber Parts

We fit the custom molded rubber parts according to your drawing specifications and special applications, with a timely and cost-effective manner. Liangju Rubber provides custom molded rubber parts and sheet materials made in concert with the specific demands required of your project.

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Product Description

1.Custom Rubber Parts Molding Processes

Injection Molding

Injection molding is one of the important manufacturing methods in rubber molding processes. The rubber is pre-heated before being injected into the mold. After pre-heated, the rubber flows more readily into the mold, allowing for higher cure temperatures, shortening the curing cycle. Rubber injection molding presses provide tight clamping, which results in little or no flash. We have injection machines with tonnage of 100 to 300 tons which can improve the compactness and functionality of products (especially the functionality of shock-absorbing products). It can greatly improve production efficiency, greatly reduce labor intensity of workers, reduce rubber waste and power consumption, etc.


Compression Molding

Compression molding is and old and simple rubber molding process available. It is a good manufacturing choice for large parts, and low to medium production quantities. It requires a preform of uncured rubber to be placed on top of the mold cavities, or individually into each of the cavities. The mold is then closed, and the press squeezes the mold plates together forcing the preform to take the shape of the cavity, or cavities, and form a finished part. Tooling can be less expensive than other molding processes, but is a labor-intensive process due to method of loading the mold, and cure times. 


Extrusion Molding

The rubber material is heated and plasticized in the extruder, and extruded through the extrusion die under a certain pressure to obtain the desired product shape.The advantage of rubber extrusion molding is to ensure that the quality of the extruded semi-finished rubber is denser and uniform. The high production efficiency and not limited by length that can meet the needs of ultra-long products, especially suitable for the production of rubber sealing strips, rubber tubes and rubber belts.


2.Materials used for Custom Molded Rubber Parts—including custom formulations.

We have the materials you need readily available. we supply custom molded rubber parts with the ranging from 25 to 90 durometer Shore A. Our chemist specialist can help develop a compound to meet your specific requirements.







●Natural Rubber




3.Main info We Want to Know About Your Custom Molded Rubber Parts

●Characteristics/Dimensions/Drawings ;

●Tolerances for specified dimensions;

●Standards required;

●Inspection requirements for the finished products;

●Whether Certification of Conformance is required;

●Is laboratory testing for specific material properties required;

●The date you require shipment ;


4.Quality Control and Certifications

We serve our customers with high quality custom molded rubber parts by strictly follow ISO 9001:2015 and IATF 16949.


5. Packing,Payment and Shipping

Our packing for all the custom molded rubber parts, strong enough to ensure its safety throughout the whole delivery no mater domestic or oversea shipping. Customized Packing/LOGO/Labeling are Available.


Q: Are you a trading company or a manufacturer?

A: LJ RUBBER is 100% Manufacturer of Molded Rubber Products

Q: Where is your factory located?

A: Xiamen City, Southeast of China

Q: How many factories do you have?

A: We have two factories:

1. Head office: SLD RUBBER was found in 1985, specialize in producing MIXING RUBBER Componds(Synthetic Rubbers)

2. Molded Manufacturer: LJ RUBBER was found in 2005, specialize in manufacturing Custom Rubber Molded Products."

Q: How many staffs do you have in your factory?

A: 100 People

Q: Do you supply material?

A: Yes, we have our own mixing rubber factory and can supply you with Synthetic Rubbers to fit your applications.

Q: If OEM is acceptable?

A: Yes, Samples are Free of charge

Q:What are the different types of materials available to LJ Rubber?

A: We work with a number of different materials, including EPDM, Neoprene, Silicone, Nitrile, Butyl, SBR, Isoprene (Synthetic Natural Rubber),etc.


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