Propesyonal na tagapagtustos ng materyal na grapayt, grapayt para sa EV, mantika, pugon at anumang iba pang industriya.

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. Sa 1841, Schaufautl soaked natural graphite in a mixture of concentrated HNO3 and H2SO4 and, after a…


























































































