... : Protective glove against mechanical risks designed for general use against chemical hazards, micro-organisms (bacteria, fungi), water and airtight, with ... . -Permeation (from 0 to 6): Process by which a chemical product diffuses through the material of a protective glove, at ... 6 (A : methanol = 2, K : Sodium hydroxyde 40% (NaOH ) = 6, L: sulphuric acid (50%) =3). DELTA PLUS GROUP La Peyrolière ...