Level1

Test

Liquid Challenge

Result

Expected Barrier Effectiveness

1

AATCC 42 Impact Penetration2

Water

= 4.5 g

Minimal water resistance (some resistance to water spray)

2

AATCC 42 Impact Penetration

Water

= 1.0 g

Low water resistance (resistant to water spray and some resistance to water penetration under constant contact with increasing pressure)

AATCC 127 Hydrostatic Pressure3

Water

= 20 cm

3

AATCC 42 Impact Penetration

Water

= 1.0 g

Moderate water resistance (resistant to water spray and some resistance to water penetration under constant contact with increasing pressure)

AATCC 127 Hydrostatic Pressure

Water

= 50 cm

4

ASTM F1670 Synthetic Blood Penetration Test (for surgical drapes)

Surrogate Blood

no penetration at 2 psi(13.8 kPa)

Blood and viral penetration resistance (2 psi)

ASTM F1671 Viral Penetration Test (for surgical and isolation gowns)

Bacteriophage
Phi-X174

no penetration at 2 psi(13.8 kPa)