Permeation (tested as per standard EN374-3)
Process by which a chemical product diffuses through the material of a protective glove, at the molecular scale.
A glove is considered resistant to chemical products if it obtains a performance index to permeation at least equal to 2 for three test chemical products included in the following list of chemical products:
| Code letter |
Chemical product |
Code letter |
Chemical product |
| A |
Methanol |
G |
Diethylamine |
| B |
Acetone |
H |
Tetrahydrofurane |
| C |
Acetonitrile |
I |
Ethyl acetate |
| D |
Dichloromethane |
J |
n-Heptane |
| E |
Carbon disulfide |
K |
Caustic soda 40 % (NaOH or sodium hydroxide) |
| F |
Toluene |
L |
Sulphuric acid 96 % |
