ASTM F2961-22 PDF

Overview

ASTM F2961-22, "Standard Test Method for Characterizing Gripping Performance of Gloves Using a Torque Meter," is an internationally recognized standard developed by ASTM International. This standard provides a quantitative method for evaluating the impact of gloves on an individual’s ability to grip and twist solid objects. Utilizing a torque meter, it measures the maximum torque that can be applied with and without gloves, offering valuable data to assess how gloves affect grip performance. F2961-22 is especially relevant for protective gloves, including those used in firefighting and other demanding occupational applications, ensuring safety and performance are not compromised.

Key Topics

• Purpose: Quantifies the effect of glove wear on grip strength using a standardized method.
• Procedure: Compares bare hand to gloved hand maximum torque on a standard test apparatus.
• Applicability: Suitable for all gloves that require secure handling of objects, not limited to firefighting gloves.
• Limitations: Does not address all aspects of hand function (e.g., dexterity, tactility); supplemental tests may be necessary.
• Test Apparatus: Involves use of a torque meter with a vertically mounted acrylic rod and controlled environmental conditioning of glove samples.
• Reporting Metrics: Results are represented as a percentage of the bare hand control value (%BHCV), indicating if gloves enhance or decrease grip.
• Precision: Provides repeatability guidance to ensure consistency in testing outcomes.
• Human Subject Consideration: Laboratories must obtain appropriate approvals for tests involving human participants.

Applications

The test method outlined in ASTM F2961-22 offers practical value across several industries:

• Firefighting and Emergency Services: Assessing how structural firefighting gloves impact grip strength, aiding in design and selection of PPE that optimizes safety and performance in emergency scenarios.
• Industrial Safety and Manufacturing: Evaluating protective gloves used in manufacturing, assembly, or materials handling where firm grip is crucial to prevent accidents and improve efficiency.
• Healthcare and Laboratory Work: Useful for testing medical or laboratory gloves, ensuring sufficient grip for handling instruments and equipment securely.
• Product Development and Quality Control: Assisting manufacturers in comparing glove designs and materials for optimal grip, providing reliable, quantitative data to inform product improvements and certification claims.
• Purchasing and Specification: Guiding safety officers and procurement specialists in selecting gloves that meet specific gripping performance criteria for their workforce.

Related Standards

For a comprehensive evaluation of glove performance, consider referencing these related standards:

• ASTM D1776/D1776M: Practice for Conditioning and Testing Textiles, relevant for sample preparation and testing conditions.
• ASTM F1494: Terminology Relating to Protective Clothing, which provides definitions used in F2961-22.
• ASTM E177: Practice for Use of the Terms Precision and Bias in ASTM Test Methods, supporting understanding of statistical consistency in grip testing.
• ASTM E691: Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method.
• NFPA 1971: Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting, key for glove compliance in firefighting applications.

Summary

Adopting ASTM F2961-22 enhances the evaluation, comparison, and selection of protective gloves by providing a standardized grip performance assessment. Whether for improving safety in emergency environments or optimizing industrial productivity, this test method supports evidence-based decision-making and product development in the global protective equipment market.