Specification of High Purity Graphite Powder Flake Graphite C Powder graphite powder (Natural graphite) graphite powder Purity: 99.985% graphite powder APS:1μm,3μm(Can be customized) graphite powder Ash: <0.016% graphite powder H2O~0.12% graphite powder Morphology: flaky graphite powder Color: black https://www.nanotrun.com/high-purity-graphite-powder-cas-7782-42-5-p00098p1.html