Permeation data relating to the barrier performance of the main PPE fabric against chemicals can be found. It serves as a selection guide to determine suitability for the working environment.
The test methods include EN ISO 6529, EN 16523-1, EN 374-3, ASTM F739, ASTM F1383, etc. It should also be noted that there may be differences in some cases between EN/ISO and ASTM test results. While the tests are similar, the EN/ISO standard records a time to a permeation rate of 1.0µg / min / cm2, whereas the ASTM standard records a time to a permeation rate of 0.10µg / min / cm2.