... : Protective glove against mechanical risks designed for general use against chemical hazards, micro-organisms (bacteria, fungi), water and airtight, with ... to 3): Diffusion, at a molecular scale, of a chemical product and/or a micro-organism through porosities, seams, micro ... . -Permeation (from 0 to 6): Process by which a chemical product diffuses through the material of a protective glove, at ...