Mask surface moisture resistance tester

Mask surface moisture resistance tester

Main use:

The mask surface moisture resistance tester is used for testing the surface moisture resistance of medical surgical masks, disposable masks, textile fabrics, and other materials.

Applicable standards:

YY0469-2011 Medical Surgical Mask;

GB/T 4745;

GB/T 19083-2003-2011;

ISO 4920;

AATCC 42;

AATCC 22.

Detection principle:

Quantitative distilled water is sprayed at a 45 ° angle through a standard nozzle on the sample to be tested 150mm below the nozzle. After testing, the surface of the sample is compared and graded with the standard drawing card.

Main parameters:

1. Glass funnel: Ф 150 x 150 (capacity 500ml);

2. Sample security angle: 45 °;

3. Distance between nozzle and sample center: 150mm;

4. Water spray volume: 250ml;

5. Funnel diameter: 150 ± 5mm;

6. Funnel height: 195 ± 10mm;

7. Test height: 150 ± 2mm;

8. Test medium: clean water;

9. Control mode: manual.

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