El anodizado es un proceso electroquímico no espontáneo por el que se forma una capa protectora de óxido en la superficie del metal tratado que lo protege de la corrosión.
3M filter with bayonet attachment for use with 3M semi-masks and full face masks, for protection of the respiratory tract from organic vapors (with boiling point above 65°C) with limit of 1000 parts per million. Applications: beekeeping, spray paint and solvent use (mek, toluene), painting operations, production of inks, dyes, resins, chemical industry CE:EN 14387