Quantitative leak test for microholes and microtears in whole gloves and glove pieces |
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| Institution: | 1. Department of Medical Microbiology, University of Malaya, Kuala Lumpur, Malaysia;2. Department of Anaesthesia, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia;3. Department of Infection Control, University of Malaya Medical Centre, Kuala Lumpur, Malaysia;4. Institute for Skin Integrity and Infection Prevention, University of Huddersfield, Huddersfield, UK;1. Emory Vaccine Center at Yerkes National Primate Research Center, 954 Gatewood Road, Atlanta, GA 30329, USA;2. University of Alabama – Birmingham, 1600 7th Avenue South, Children׳s Harbor Building 107, Birmingham, AL 35233-1711, USA;3. Zambia Emory HIV Research Project (ZEHRP), B22/737 Mwembelelo, Emmasdale, Post Net 412; P/BagE891, Zambia;4. Department of Global Health, Rollins School of Public Health, Emory University, 1518 Clifton Rd NE, Atlanta, GA 30322, USA;5. Department of Pathology and Laboratory Medicine, Emory University, 101, Woodruff Circle, Atlanta, GA 30322, USA;1. Department of Environmental Health Sciences, University of Michigan, Ann Arbor, MI;2. Department of Epidemiology, University of Michigan, Ann Arbor, MI;1. Enersol Pty Ltd, 235 Nelson St, Annandale, NSW, 2038, Australia;2. United Nations Population Fund, UN City Marmorvej 51, 2100, Copenhagen, Denmark;1. LAMIH UMR CNRS/UVHC 8201, UVHC Le Mont Houy, 59313, Valenciennes Cedex 9, France;2. LPCM, CIRMAP, University of Mons (UMONS), Place du Parc 20, B-7000, Mons, Belgium |
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| Abstract: | The current leak tests for gloves are qualitative. The developed quantitative leak test uses vacuum pressure to draw measured volumes of water to detect microholes/tears in whole gloves and glove pieces. A modified plastic vacuum desiccator interfaced with a Frazier air permeability tester allowed exposure of disposable unsupported/unlined/powderless Kimtech Blue nitrile to 50 mL of water for glove pieces or to 600 mL within a whole glove at vacua of 8–9 in. (20–23 cm) and 11–12 in. (28–30 cm) water gauge, respectively. Punctures of known dimensions were made before testing in specific glove areas using 21-, 22-, 26-, 30-, and 33-gauge needles (outer/inner diameters in micrometres of 873/514, 794/413, 635/311, 476/127, 318/159 and 238/133, respectively). The length of the punctures varied from 0.13 ± 0.01 to 0.80 ± 0.11 mm. Flow rates of water through the holes/tears ranged from 2.5 ± 0.4 to 106 ± 7 mL/min for glove pieces. For whole gloves, the ranges were from 31 ± 9 to 543 ± 110 mL/min in the palm area; and 0.23 ± 0.06 to 82 ± 18 mL/min in the finger/fingertip area. The method quantified tear lengths as short as 0.13 ± 0.01 mm. |
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| Keywords: | Quantitative glove leak test Vacuum glove leak test Glove Nitrile Penetration |
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