Proveedó profeshonal di material di grafit, grafito pa EV, greis, fornu i kualke otro industria.

Expandable graphite: a new type of lightweight and high-performance material
(Expandable graphite: a new type of lightweight and high-performance material) Expandable graphite was first discovered by German Schaufautl. Den 1841, Schaufautl soaked natural graphite in a mixture of concentrated HNO3 and H2SO4 and, after a…


























































































