Compression Molding

Compression Molding from Prototyping to Production

Description Metric Inch
Length 3000 118
Width 2500 98.4
Height 2000 78.7

Compression Molding Service Materials

As a professional on-demand manufacturer, Zhongde offers various compression molding materials to satisfy customer's requirements. Some of the materials available for compression molding are as below. We also offer material modification services. Our professional material engineers will adjust the raw material formula to meet the unique conditions of use and the special needs of the customer.

Elastomers and rubber are common materials for the compression molding process. Here are Zhongde’s compression molding materials.

  • NR
  • SBR
  • CR
  • VMQ
  • FFKM
  • NBR
  • IR
  • FKM
  • EPDM

Thermosetting plastic materials can be used for the compression molding process because of their excellent heat resistance and dimensional stability. Check Zhongde’s available thermosetting plastic.

  • UHMWPE
  • PTFE

Thermoplastic elastomers(TPEs) with excellent elasticity, flexibility, and resilience. Please check Zhongde’s thermoplastic-elastomers (TPEs) materials.

  • TPE
  • TPV
  • TPU
  • TPR

Compression Molding Service Surface Finishing

Proper surface finishing will improve the molded parts' quality. Zhongde offers a wide range of surface treatment options. These efficient surface finishes improve the part's functions and aesthetic appeal.
our quality promise

Our Quality Promise

Zhongde is committed to providing quality products that meet or exceed the needs of our customers through continuous improvement.

Strictly follow the confirmed drawings or samples to produce. If there is any deviation, our company will replenish to our customers to make up for the loss.

Compression Moulding Fundamentals

  1. The material is placed into the mold.
  2. The product is heated until somewhat soft and pliable.
  3. A hydraulic tool presses and closes the molds together.
  4. Once the material is hardened, open the mold and the ejected pin will eject the custom parts out.

Click here to learn common problems and solutions of compression molding.

Compression molding is widely used across various industries for producing parts with high precision and quality. Common applications include: Automotive Components: Gaskets, seals, bushings, and various interior components. Electrical Components: Insulators, connectors, and housings. Aerospace Parts: Seals, gaskets, and interior components. Medical Devices: Seals, gaskets, and components for medical equipment. Consumer Goods: Handles, grips, and various molded products. Industrial Components: Gaskets, seals, and custom molded parts. The versatility of compression molding makes it suitable for a wide range of applications across different industries.

There are five advantages of compression molding services.

  1. Less mold structure with competitive tooling price.
  2. Evenly heated mold cavity with good dimensional stability.
  3. Little material waste suitable to work with expensive material.
  4. Available for forming large flat products.
  5. More than hundreds of colors to choose from.

Click here to learn advantages and disadvantadges of compression molding process.

Both injection molding and compression molding offer unique advantages, and the choice between them depends on specific project requirements. While some benefits may overlap, there are distinctions that make each method suitable for different scenarios:
  1. Low Initial Cost: Compression molding often has a lower initial cost, making it more cost-effective for smaller production runs. Injection molding can be cost-effective for large-scale production due to its high-speed, high-volume capabilities.
  2. Suitability for Large Parts: Both methods can handle large parts, but compression molding may have an edge in certain cases, especially for large, complex shapes.
  3. Enhanced Strength: Compression molding can produce parts with enhanced strength, particularly when dealing with composite materials. Injection molding provides high precision and can achieve good structural integrity.
Ultimately, the selection between injection and compression molding hinges on the project's specific needs, material requirements, production volume, and desired outcomes.
The cycle time for compression molding can vary widely depending on factors such as the material being used, the size and complexity of the part, and the specific process conditions. Generally, cycle times can range from a few minutes to several minutes. Smaller and less complex parts may have shorter cycle times, while larger or more intricate parts may require longer cycle times for proper curing and cooling. It's essential to optimize cycle times for efficiency while ensuring that the material is adequately cured and the part retains the desired properties. Manufacturers may conduct testing and experimentation to determine the optimal cycle time for their specific compression molding process.

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Products Made by Compression Moulding

Compression molding is better suited for achieving consistent and efficient material distribution in thick-walled parts compared to injection molding. The compression molded products included rollers, boots, corners, etc. Following are some of the compression molded parts.

FAQs of Compression Molding Manufacturing Services

Compression molding can be used with various materials, including thermosetting plastics, rubber, and composites. The choice of material depends on the specific requirements of the end product, including mechanical properties, thermal stability, and resistance to chemicals. Manufacturers select materials based on the intended application and the characteristics needed for the final molded part.
Yes, Compression molding is well-suited for both small and large production runs, and Zhongde offering cost-effective manufacturing options for a wide range of quantities.
We aim to provide quotes promptly. The timeframe depends on the complexity of the project, if you provide accurate information, the quotation will be finished within 24 hours. For accurate quotes, provide detailed information about the part's specifications and quantity. Start to get a quote!

Yes, customization options, including various colors and finishes, are available in compression molding. Discuss your specific requirements with our team for personalized solutions.

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