Synthetic graphite - isostatic pressing process

Synthetic graphite is available in extruded, vibration molded and isostatically molded forms.  Many of our customers have little or no experience with the common production methods used to manufacture engineered synthetic graphite. 

The company is the world’s best Isostatic pressing formed graphite supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

The strongest synthetic graphites are manufactured using the isostatic pressing technique.  Attached is a video detailing the steps and benefits of the ''HIP'' or hot isostatic pressing process.   Although, synthetic graphite is normally pressed in a cold rather than hot process the video demonstrated the basic theory behind the process and is educational for those desiring to understand the process basics.

What Does Isostatic Graphite Mean?

Isostatic graphite is a type of graphite with an ultra-fine grain that is used for specific purposes where the mechanical properties found in other fine-grained graphites are insufficient. Among it's other desirable properties, isostatic graphite is corrosion resistant.

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Isostatic graphite is also known as isostatically molded graphite, which is a reference to the means by which the raw material mixture is compressed into rectangular or round shaped blocks in a system called cold isostatic pressing (CIP). Cold isostatic pressing is a material processing method where a change in pressure of an enclosed incompressible fluid is conveyed unchanged to every part of the fluid including to the surface of its container.

Compared to other technologies like extrusion and vibration molding, CIP technology produces artificial graphite of the most isotropic form. Isostatic graphite also generally tends to have the smallest grain sizes (on the order of 20 microns) that can be found in artificial graphites.

Isostatic graphite production started in the 1960s at the SGL Carbon plant in Bonn, Germany as one of the very first in the world to manufacture materials that had a constant quality and were also suitable for applications in the nuclear and metallurgical industries.

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