Product Manual
4
PROTECTIVE APPAREL
1-800-MEDLINE | www.medline.com
Medline isolation gowns with color-coded
neck bindings meet the test requirements
set forth by the Association for the
Advancement of Medical Instrumentation
(AAMI) PB70.
The chart below outlines AAMI PB70
guidelines. The color-coding has been
developed by Medline to differentiate
each level and corresponds with the
color-coded neck bindings on Medline’s
AAMI Compliant Isolation Gowns.
Levels of Barrier Protection
(from AAMI PB70:2003)
PROTECTIVE APPAREL
ANSI / AAMI PB70
Barrier Performance
Test Method
Water Resistance
Test Definition
AATCC
Requirement
Level 1
AATCC 42
Impact Penetration
AATCC 42
Measures the resistance of fabrics to the
liquid penetration of water by impact.
Water Impact
</= 4.5 g
Level 2
AATCC 42
Impact Penetration
AATCC 127
Hydrostatic Pressure
AATCC 42
Measures the resistance of fabrics to the
liquid penetration of water by impact.
AATCC 127
Measures the resistance of fabrics to the
liquid penetration of water by impact under
constant and increasing hydrostatic pressure.
Spray Impact
</= 1.0 g
Hydrostatic
Pressure
>/= 20 cm
Level 3
AATCC 42
Impact Penetration
AATCC 127
Hydrostatic Pressure
AATCC 42
Measures the resistance of fabrics to the
liquid penetration of water by impact.
AATCC 127
Measures the resistance of fabrics to the
liquid penetration of water by impact under
constant and increasing hydrostatic pressure.
Spray Impact
</= 1.0 g
Hydrostatic
Pressure
>/= 50 cm










