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IBIDEN's High Impregnated Grassy carbon
GC-Coat(VGI)
IBIDEN's GC-coat VGI is Products which grassy carbon is impregnated in bare graphite. Our GC-coat products have advantage for reduction carbon particle and resistance of erosion.
Comparison of impregnation volume of VGI
GC-Coat VGI GC-Coat According to pictures in right, GC-coat impregnate around 1mm inside, GC-coat VGI impregnate around 6 mm.
GC-Coat VGI GC-Coat
Advantage
1. VGI has big advantage against heat cycle and cracks because of impregnate grassy carbon into graphite. (Key word: Long life time)
2. VGI is harder grassy carbon coat than bare graphite. Therefore this products is superior residence erosion and prevent carbon dust. (Key word: Contamination)
3. Low absorption and degassing of impurities.
4. VGI is high purification and quite low metal contents.
5. Possibility to machine every shape, Tolerance is same as machine part.
6. Improvement reactivity against metal.

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