摘要 |
A carbon article shaped as a brake disc, the brake disc being coated with an anti-oxidant coating obtained by applying as a primer coat a composition including orthophosphoric acid, aluminum chloride hydrated, a surfactant, industrial methylated spirits, and demineralized water; curing the primer coat; applying as a barrier coat a composition including orthophosphoric acid, aluminum chloride hydrated, a surfactant, industrial methylated spirits, demineralized water, colloidal silica, and boron nitride; and curing the barrier coat. |