Custom Molded Shapes and Advanced Sealing Solutions

Apple Rubber's Custom Molding Capabilities

From Concept to Reality

At Apple Rubber, we pride ourselves on our ability to turn your sealing concepts into reality. Our advanced molding capabilities allow us to custom mold virtually any shape required, seamlessly guiding your project from prototype to production.

High-Precision Molding Techniques

We employ a variety of high-precision molding techniques to ensure the highest quality in every component we produce:

  • Compression Molding: Ideal for producing high-strength parts with minimal material waste
  • Transfer Molding: Perfect for complex geometries and insert molding
  • Injection Molding: Offers high-speed production for large volume orders

In-House Mold Making

Our in-house mold making capabilities are a key factor in our ability to deliver top-quality parts. This allows us to:

  • Maintain strict quality control
  • Reduce lead times
  • Offer greater flexibility in design modifications

Popular Custom Molded Shapes

Apple Rubber specializes in producing a wide array of custom molded shapes, each designed to meet specific sealing challenges:

  • 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

Advanced Molding Equipment

To maintain our position at the forefront of the industry, Apple 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 and Transfer Presses:
    • Ensure void-free molding for critical applications
    • Provide superior surface finish and dimensional accuracy

The Right Sealing Material: A Guide to Elastomer Selection

Choosing the right material is crucial for optimal seal performance. Apple 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)

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:

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

At Apple 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 Apple Rubber today.