airmid healthgroup is an ISO/IEC 17025:2005 INAB accredited testing laboratory Reg. no. 284T.
Allergen Barrier Test with Airflow
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A unique textile allergen barrier test that overcomes the shortcomings of many existing industry test methods, is now available. Retailers & textile manufacturers can validate their allergen claims with the Allergen Barrier Test with Airflow, a unique test developed by airmid healthgroup. This test provides extremely accurate and repeatable results, through utilising house dust with a known concentration of Dust Mite & Cat Allergen (Derp1 & Feld1 respectively), which is pulled across a fabric by airflow. Located downstream a filter collects any allergen that passes through. The amount of allergen recovered on the filter is extracted and quantified using an ELISA kit specific for different types of allergens. This is important because the tendency to rely on pore size and thread count to demonstrate a fabrics' ability to block allergens can be very misleading. Pore size only loosely correlates with allergen filtration efficacy and there are a number of factors that contribute to this including van der vaals forces and allergen conformation. A high thread count fabric may also be poorly constructed, allowing the passage of allergens. Related |
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