EN ISO 374-1: 2016
Protective gloves against dangerous chemicals and micro-organisms
Part 1: Terminology and performance requirements
Classified into three levels:
Type A: Glove to resist permeation from six chemicals for at least 30 minutes.
Type B: Glove to resist permeation from three chemicals for at least 30 minutes.
Type C: Glove to resist permeation from one chemicals for at least 10 minutes.
Table regarding permeation:
Breakthrough time Index
> 10 min Level 1
> 30 min Level 2
> 60 min Level 3
> 120 min Level 4
> 240 min Level 5
> 480 min Level 6
Defined chemicals and related code:
Code Chemical
A Methanol
B Acetone
C Acetonitrile
D Dichloromethane
E Carbon disulphide
F Toluene
G Diethylamine
H Tetrahydrofuran
I Ethyl acetateJn-Heptane
K Sodium hydroxide 40 %
L Sulphuric acid 96 %
M Nitric acid 65 %
N Acetic acid 99 %
O Ammonium hydroxide 25 %
P Hydrogen peroxide 30 %
S Hydrofluoric acid 40 %
T Formaldehyde 37 %
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