99.99% purity Crystalline Natural Flake Graphite – Since the glass component and the impurities of natural graphite are similar to each other, we have completed the high-purification processing technology by utilizing the chemical recipe for thinning the LCD glass.

Composition Comparison

Glass Main ComponentGraphite Impurities 
SiSi
AlAl
BaFe
MgMg
CaCa
SrK
Na 
Our High-Purification Pilot Line
Our High-Purification Pilot Line
MaterialIn LaboratoryIn Pilot Line
Flake Graphite +50mesh(300μm)○○
Flake Graphite +80mesh(180μm)○○
Flake Graphite 100mesh(100μm)○○
Flake Graphite (≦10μm)○△
Flake Graphite (≦20μm)○△
OthersTBDTBD

Purity


High-purification processing of more than 99.99 wt% is possible

Graphite particle size


No change in graphite shape and particle size distribution

Graphite particle size
graphite particle size after