Compression Molding

Great for producing larger items and thicker parts our compression molding process is rivaled by none.

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What is Compression Molding?

Compression molding is a long-standing, widely used process of molding, namely for thermosetting plastics. It is a type of molding in which the molding material is first placed in a heated mold cavity. The mold is then closed with a force that creates an applied pressure which creates contact with all the areas of the mold.
compression molding with fiber reinforcement

Compression Molding Process

Using precise and controlled amounts of molding compounds, the bottom of a heated mold is filled with this material. The two halves are then compressed and the molding compounds or charge are then cured, and then opened to remove from the cavity.

This process is capable of producing a wide array of sizes, lengths, and complexity of shapes. The end result is incredibly strong and durable.

Compression Molding
Advantages

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Simple Process

Of all of Moldtronics molding processes, compression molding is by far the most simple. Typically, this equates to a lower production cost.

Allowance for Inserts

This process can be a candidate for insert molded parts.

Materials

There are many material options for compression molding.

Durability

Compression molding allows for the use of fiber reinforcements, like fiberglass, aramid, and carbon, which can greatly strengthen the final molded product.

Frequently Asked Questions

Rubber gaskets or seals, electrical components, automotive or aerospace parts, are just a few types of products made by compression molding.

While very similar in that  both utilize heat and pressure to mold an object, the greatest difference is how that material is processed. During injection molding, the heated material moves the material through a hopper, compression molding does not.

This really depends on the final application of the product and our experienced reps can help walk you through this decision. At a basic level, compression molding is far more affordable and can yield the same output, but can be less consistent when developing more intricate pieces. 

quality compression molding tooling

The Moldtronics Difference

With Moldtronics vast experience, our in-house molding, tooling, machining, and assembly capabilities we bring your project on-line sooner and help eliminate costly roadblocks.

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Ready to see Moldtronics in action?

We’re ready to help with your project. Reach out today and let’s get moving! 

Ready to see Moldtronics in action?

Fill out the simple form below and a representative will get back to you. 

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