Custom Molded Shape

Housing Seals: Designed to fit perfectly within equipment housings, preventing leaks and contamination
Composite Seals: Combining different materials for optimal performance in complex environments
Diaphragms: Flexible, impermeable barriers used in pumps, valves, and pressure regulators
U-Cup and Lip Seals: Provide excellent sealing in hydraulic and pneumatic systems
Piston Seals: Ensure efficient operation in cylinders and other reciprocating applications
Bushings: Reduce friction and wear in mechanical systems
Grommets and Poppets: Protect and insulate cables or wires passing through panels
Connector Seals: Ensure tight, reliable connections in electrical and fluid systems

To maintain our position at the forefront of the industry, Fusheng Rubber invests in the latest molding technology and equipment.

Our most efficient molding processes include:

Advanced Rubber Injection Machines:
Offer precise control over material flow and curing
Ideal for producing complex geometries with tight tolerances

High-Precision Liquid Silicone Rubber Injection (LSR):
Allows for the production of intricate, high-quality silicone parts
Excellent for high-volume production with minimal waste

Vacuum Compression:
Ensure void-free molding for critical applications
Provide superior surface finish and dimensional accuracy
The Right Sealing Material: A Guide to Elastomer Selection

A Guide to Elastomer Selection:
Choosing the right material is crucial for optimal seal performance. Fusheng Rubber offers a wide variety of elastomers, each with unique properties suited to different applications:

NBR (Nitrile)
Key Properties:
Fuel and oil resistance

Common Applications:
Automotive
Aerospace
Oil and Gas

EPDM (Ethylene-Propylene)
Key Properties:
Weather and ozone resistance
Excellent for water sealing

Common Applications:
Outdoor equipment
Water systems
Steam applications

FKM (Fluorocarbon)
Key Properties:
Chemical resistance
Low outgassing
High-temperature stability

Common Applications:
Chemical processing
Semiconductor manufacturing
Aerospace

CR (Chloroprene / Neoprene)
Key Properties:
Moderate oil and weather resistance
Good for Freon applications

Common Applications:
Refrigeration systems
Outdoor equipment

VMQ (Silicone)
Key Properties:
Extreme temperature resistance (both low and high)

Common Applications:
Medical devices
Food processing equipment
Electronics

FVMQ (Fluorosilicone)
Key Properties:
Fuel resistance
Wide temperature range tolerance

Common Applications:
Aviation fuel systems
Automotive fuel handling

FFKM (Perfluoroelastomer)
Key Properties:
Highest chemical resistance among elastomers

Common Applications:
Semiconductor manufacturing
Chemical processing
Pharmaceuticals

The Importance of Material Selection in Custom Molding
Selecting the right material for your custom molded shape is critical for several reasons:

Performance: The right material ensures your seal performs as required in its specific operating environment
Longevity: Proper material selection can significantly extend the life of your sealing component
Cost-effectiveness: Choosing the optimal material can reduce long-term costs by minimizing replacements and maintenance
Regulatory Compliance: Certain industries require specific materials for safety and regulatory reasons

At Fusheng Rubber, we don't just produce custom molded shapes; we partner with you to develop the optimal sealing solution for your unique application. For more information on custom-designed, all-rubber shaped seals, or to discuss your specific sealing needs, contact Fusheng Rubber today.