AATCC Test Method 194-2013

Assessment of the Anti-House Dust Mite Properties of Textiles under
Long-Term Test Conditions

Developed in 2006 by AATCC Committee RA49 (Reaffirmed 2013)

1. Purpose and Scope

1.1 This test method is for the evaluation of the degree of anti-house dust mite activity in a long-term testing environment for textiles treated at the manufacturing level for this purpose.

2. Principle

2.1 Test and control specimens are inoculated with the test organism and nutrients. After six weeks of incubation, sufficient time for mite colonies to flourish under optimal conditions, the dust mites are recovered from the specimens by heat extraction. Results are expressed as percent reduction on the treated sample versus the untreated control.


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