/// Carbon Fiber Reinforced Carbon Compounds(C/C Composite)

/// Carbon Fiber Reinforced Carbon Compounds(C/C Composite)

Many new carbon materials have been introduced in the past 30 years beyond the previously mentioned materials. Carbon fiber reinforced carbon compound materials (the following C/C composites) are one type of those. Conventional carbon is also a strong material, however, even though it has strength, it has limitations; it often breaks if dropped or impacted. C/C composite has approximately 3-4 times the flexural strength of conventional carbon material and even if dropped, there is virtually no impact that can break it. It has been developed for use in airplane and spacecraft parts because it is a heat resistant material with super strength. It is also being used for hot press mold parts, heaters (metallurgy trays), heat resistant bolts, nuts, etc. Manufacturing methods of the 3 main classifications of C/C composites are shown below.

C/C Composite Manufacturing Method:

C/C Composite Manufacturing Method

As the manufacturing methods are summarized by classification, carbon fiber reinforced plastic (CFRP) is produced through various molding methods; it is fired at between 1,000-2,300℃ in a vacuum and the phenol plastic becomes carbonized. When that happens, the phenol plastic item covered with carbon fiber becomes carbonized and it takes on the state of the carbon that surrounds it. Then, the elements inside of the phenol plastic except carbon, (hydrogen, oxygen, etc.) are vaporized, so the phenol plastic makes many bubbles inside the carbonized carbon. Because these bubbles are embedded, it is fired one time and after it is immersed in phenol plastic liquid and pressure filtrated, it is fired and carbonized again. This process is usually repeated 3-6 times and then the product is finished.

C/C is an abbreviation for CFRC which is "Carbon Fiber Reinforced Carbon".

The above CFRP is an abbreviation for "Carbon Fiber Reinforced Plastic".

C/C Composite Characteristics:

Long Fiber Cloth Sheets Short Fiber Cloth Sheets Graphite Quality Extruded Material (Pre Pressing: for Comparison)
Specific Gravity (g/cm3) 1.5 1.3 1.70 ~ 1.72
Temper (shore) 90 80 40
Flexibility (kg/cm2) 1000 1000 220 ~ 400
Compression Strength (kg/cm2) 2200 2200 450 ~ 800

Specialty Carbon Products

Specialty carbon products range from semiconductors, heat treatments, smelting, glass, metallurgy, dentistry, hot pressing, fuel cells, electrolysis, EDM processing, food prepartion, etc.


High Quality carbon and graphite EDM and GR. We even have graphite of particle diameters as small as 1-3 um and we recommend graphite with the exception of super fine-end finished products.

Carbon Fiber

Carbon fiber is made from carbon fiber bound material and the chief raw material used is acrylic fiber. Its special characteristics are: light weight, high resilience, high heat conductivity, low thermal expansion, and radio translucency.

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