Description of Carbon Bead
Carbon Bead / Carbon Sphere with the size of 1-80 micron produced during the refining of spinning pitch. Comes in three purity grades; green, carbonized, and graphitized powder. Used as a composite material with new functions taking advantage of electric conductivity, thermal conductivity, and other characteristics.
Synonyms: mesocarbon microbead, carbon bead, spherical carbon fine particle, carbosphere, spherical carbon powder, spherical carbon particles, spherical round ball, mcmb.
CAS No: 7782-42-5.
Properties:
Green Powder: C= 93.0 to 94.0%
Carbonized Powder: 99.0%
Graphitized Powder: 99.9%
Specifications of Carbon Bead
Ash Content
|
0.1 - 0.3
|
True Specific Gravity
|
1.3 - 2.2
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Electric Resistivity
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Varies by grade
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Shore Hardness
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70 - 120
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Applications of Carbon Bead
Special carbon materials (EDM electrodes, Seals, Hotpress dies, Casting molds)
Resin Composites (Siding materials, PTC heating elements, Electrically conductive ink & paints, Special electrodes, EMI shielding materials, Heat-resistant rubber)
Ceramic composites (Filters, Heat-resistant materials, Sliding materials, Lightweight ceramics)
Surface modification (High-performance activated carbon, Material for intercalation compounds).