Protective clothing. Test methods for clothing providing protection against chemicals - Determination of resistance to outward leakage of gases (internal pressure test) Ingestion-build-96603 prEN 12811‑2

prEN 12811‑2

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Protective clothing. Test methods for clothing providing protection against chemicals - Determination of resistance to outward leakage of gases (internal pressure test) Ingestion-build-96603 prEN 12811‑21 Scope This part of ISO 17491 specifies a method to be performed either at minimum test settings (Method 1) or at more rigorous test settings (Method 2), for assessing the resistance of a gas tight suit to outward leakage of air through, for example, essential openings, fastenings, seams, interface areas between items, pores and any imperfections in the construction materials. This test does not simulate penetration by gases in an inward direction.