58-8658DL
AJK
A: Methanol
J: Heptane
K: Sodium Hydroxide 40%
To attain the EN 374 pictogram shield gloves must pass at least a Level 2 in three chemicals. The chemicals listed above are the chemicals that passed for this glove.
Performance Level is ranked from 6 to 0. The highest performance level is six and the lowest performance level is zero.
BTT or Breakthrough Time is the time it takes a chemical to establish a permeation rate of one milligram per square meter per minute through the protective coating.