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Custom Compression Molding Service

Easy And Quick To Prototype
Forming Large Size Parts

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Compression molding is a method of forming plastic or rubber in a closed cavity by heating and hot pressing. It is a good choice for manufacturing large pieces, and low-to-medium quantities production with competitive tooling price.


The materials of Zhongde, a reputable company providing customized compression molding service, include both plastic and rubber. The molding pressure of the compression molding process is higher than other process methods, and it belongs to high-pressure molding. We utilize hydraulic presses that can control the pressure, and high-strength, high-precision, and high-temperature resistant metal molds to guarantees the quality of molded products. Using the compression molding process, we can guarantee high-efficiency production, ensure accurate products, and smooth surface.


Plastic compression molding, rubber compression molding, silicone compression molding are all available. 

Other types: cold compression molding, vacuum compression molding, direct compression molding, composite compression molding...





Advantages of Compression Molding Service

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

Capabilities of Custom Compression Molding 


NameDescription

Rapid tooling

Mold working life time up to 20,000 runs. Short machined time.

Production tooling

Traditional molds, used for mass production

Single cavity molds

Molds only produce one part per cycle, mostly used for low production rates.

Multi-cavity molds

Molds can produce more than one part per cycle, used to increase production rate.

Family molds


Molds produce two or more different parts per injection cycle, the parts should be of the same material and color.


Precision Compression Molding Service


NameDescription

Mold material

Steel P20, H13, S136, 2316, 2344, 083,718H, SKD618, etc.

Mold type

Family molds, single and multi-cavities molds

Mold storage

3 years inactivity

Guaranteed Mold Life

Unlimited

Mold remachining

We can remachine the molds if there are any changes required, basis on mold structure.

Mold warranty

Lifetime warranty on production molds

Maximum dimensions

3000mm*2500mm*2000mm


Guideline of Custom Compression Molding Service


Sizes Option of Different types of Compression Molding


The below table shows the size of Compression Molding parts we usually make. If you need a larger size, we can also help you achieve it.


SizeMetricInch
Length3000118
Width250098.4
Height200078.7


Available Material of Different types of Compression Molding


In addition to the general materials listed below, Zhongde can also modify the materials according to the special needs of customers. Our professional engineers will adjust the raw material formula to meet the unique conditions of use.


Plastic Material

  • UHMWPE | Ultrahigh molecular weight polyethylene

  • PTFE | Polytetrafiuoroethylene


Rubber Material

  • NR | Natural Rubber

  • NBR | Nitrile Rubber

  • SBR | Styrene-butadiene Rubber

  • HNBR | Hydrogenated Nitrile

  • CR | Neoprene Rubber

  • VMQ | Silicone

  • FVMQ | Fluorosilicone

  • FKM | Fluorocarbon

  • FFKM | Perfluorocarbon Rubber

  • EPDM | Ethylene-Propylene Diene Monomer Rubber

  • IR | Polyisoprene Rubber

  • IIR | Butyl Rubber


Additives of Custom Compression Molding

Name

Description

UV absorbers

Absorb UV radiation, slowing down the degradation of the material when used outdoors.

Flame retardants

Prevent ignition and inhibits the spread of fire.

Plasticizers

Increase flexibility and promotes plasticity, reducing brittleness of the material.

Colorants

Used to color plastics.

Carbon fibers

Increase strength, toughness, and rigidity of the material at the expense of making the material more brittle.

Glass fibers

Increase strength, toughness, and rigidity of the material at the expense of making the material more brittle. It is more flexible than carbon fibers.


Related Products

Compression Rubber Part

Compression Rubber Part

Rubber Bellow Hose

Rubber Bellow Hose

Rubber Boot

Rubber Boot

Rubber Corner

Rubber Corner

Rubber Damper

Rubber Damper

Rubber Pedal

Rubber Pedal

FAQ of Compression Molding

Who owns the mold?

The mold belongs to you. Zhongde is only responsible for saving the mold for you and will not use it for other customers.

What is the service life of the mold?

Generally speaking, one set of molds can produce millions of products, and we will provide mold maintenance and repair services. If the upper limit of mold usage is reached, we will reopen a set of molds for free.


What are types of compression molding?

There are two types of compression molding process, i.e., cold compression and hot compression moldings.

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