ANSI/AAMI PB70 | TEST METHOD | REQUIREMENT |
AAMI LEVEL 1 | Water resistance: Impact penetration AATCC 42 | Water impact ≤ 4.5g |
AAMI LEVEL 2 | Water resistance: Impact penetration AATCC 42
Water resistance hydrostatic pressure AATCC 127 |
Spray impact ≤ 1.0g
Hydrostatic Pressure ≥ 20cm |
AAMI LEVEL 3 | Water resistance: Impact penetration AATCC 42
Water resistance hydrostatic pressure AATCC 127 |
Spray impact ≤ 1.0g
Hydrostatic Pressure ≥ 50cm |
AAMI LEVEL 4 | Does not offer AAMI Level 4 Surgical Gown |
AATCC 42: Measure the resistance of fabrics to the liquid penetration of water by impact AATCC 127: Measure the resistance of fabrics to the liquid penetration of water by impact under constant and increasing hydrostatic pressure