ASTM-F2961 › Standard Test Method for Characterizing Gripping Performance of Gloves Using a Torque Meter
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1.1 This test method is used for evaluating how gloves affect an individual wearer’s ability to grip onto a hard surface object.
1.1.1 This test method establishes procedures for measuring the maximum torque that can be attained by individual’s bare hand as compared to the maximum torque that is attained by the same individual wearing a glove. The torque is applied to a vertically-mounted pole attached to a torque meter.
1.2 This test method is suitable for evaluating gloves and other forms of hand protection that require the wearer to maintain a secure hold on objects.
1.3 This test method does not address all effects of wearing gloves on hand functions. Other test methods include those for evaluating the effect of wearing gloves on dexterity, tactility, and other aspects of functional performance.
1.4 It is the responsibility of the test laboratory to obtain the necessary and appropriate approval(s) required by their institution for conducting tests using human subjects.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Significance and Use
5.1 This test method is intended to provide a quantitative measurement of wearing gloves on an individual’s ability to grip a solid object and twist in a defined direction. The gripping performance may be different if twisted in the opposing direction or if pushing or pulling on a solid object while gripping.
5.2 This method was originally developed to help understand how materials and construction of firefighting gloves affected grip. Methods available at the time showed very little statistical difference between a wide range of gloves including many NFPA 1971 compliant firefighting gloves and also non-compliant gloves used in other applications. This method was shown to have less subject-to-subject variability and a greater range of measured grip than previous tests.
5.3 It is possible to apply this test method to other types of gloves, other than structural firefighting protective gloves. Evaluate the relevance of this test method by examining the particular application of the gloves for end user gripping capability. In addition, understand how this test method ranks gloves in comparison with end user perceptions.
5.4 This test method does not discriminate all glove effects on wearer hand function nor does it apply to all glove types and applications. Consider additional evaluations or tests representative of the glove use applications performed to determine the overall impact of gloves on wearer hand functions.
firefighting gloves; grip; protective gloves; torque; whole glove function;; ICS Number Code 13.340.40 (Hand and arm protection)
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March 1, 2015