When it comes to ensuring the safety of workers in environments with high temperatures, it is crucial to have the right protective gear. In this article, we will explore the methods used to determine the temperature resistance of NFPA gloves and how you can match them to specific hazards in your workplace.
High-Temperature Melt Resistance/Shrinkage Resistance Test
To assess the ability of gloves to withstand extreme temperatures, a high-temperature melt resistance/shrinkage resistance test is conducted. This test simulates the heat experienced during a flash fire event and evaluates the glove’s resistance to melting and overall shrinkage.
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During the test, a glove is filled with glass beads to simulate the presence of a hand within the glove. The glove is then exposed to a 260°C (500°F) oven for five minutes. After the exposure, the glove is examined to check if any components melted or fused. Additionally, the shrinkage in the length or width of the glove is measured. If the shrinkage exceeds 10%, it can be challenging to remove the glove after exposure.
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For example, if a glove undergoes this test and shows no signs of melting or excessive shrinkage, it can be determined that the glove offers effective protection against high temperatures. This test is essential in ensuring that the gloves maintain their integrity when exposed to extreme heat.
Heat Transfer Performance Test
The heat transfer performance test focuses on the glove’s ability to block convective and radiant heat transmission, preventing burn injuries during a flash fire event. The test involves placing a heat flux sensor on the backside of the glove material, which is positioned over a heat source that includes propane burners and a quartz infrared heat lamp assembly.
By collecting heat transfer data during the exposure, the test uses the Stoll burn curve to determine when a user would experience a second-degree burn. This test is similar to the one used for NFPA 2112-rated garments. To pass, the glove must prevent second-degree burns during the projected exposure from a flash fire event.
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For instance, if a glove successfully passes this test, it means that it can effectively protect against radiant and convective heat, reducing the risk of burn injuries in high-temperature environments.
Matching Gloves to NFPA Standards
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If you have identified a flame-resistant (FR) hazard in your workplace, it is crucial to ensure that your gloves match the FR hazard. The recent updates to NFPA 2112 and 2113 standards have paved the way for new technological advancements in the FR glove space, providing enhanced protection for workers.
It is important to note that not all gloves designated as flame-resistant meet the standards. Therefore, it is crucial to vet and verify any claims regarding FR protection in gloves against the specifications outlined in the standard.
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For example, working with an expert or consulting PPE manufacturers experienced in FR hazards can help identify and match the gloves needed for specific job tasks. Additionally, looking for third-party certifications can provide assurance that the FR gloves meet the necessary specifications.
Choosing a PPE partner that can work closely with you is also beneficial as they can provide guidance and support to ensure the selection of appropriate gloves that meet the required standards.
If you have any questions regarding these standards or need assistance with PPE, feel free to reach out to our team of DuPont experts.
In conclusion, determining the temperature resistance of NFPA gloves is crucial to ensure the safety of workers in environments with high temperatures. Through comprehensive testing and adherence to NFPA standards, you can select the right gloves that provide effective protection against extreme heat.
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When it comes to workplace safety, it is essential to consider not only the temperature resistance of gloves but also other factors such as cut resistance, grip, and dexterity. Gloves that offer a balance of these features can significantly enhance worker safety and productivity.
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For instance, gloves that combine high-temperature resistance with excellent cut protection are ideal for industries where workers face both heat and sharp objects. These gloves not only shield against burns but also reduce the risk of cuts and lacerations.
Furthermore, ergonomic design and flexibility are crucial for gloves that are worn for extended periods. Comfortable gloves that allow for ease of movement and tactile sensitivity can significantly improve job performance and reduce fatigue.
In conclusion, selecting the right gloves for your workplace involves considering multiple factors beyond temperature resistance alone. By addressing the specific hazards and requirements of your industry, you can ensure the highest level of protection for your workers.
Images
Caption: NFPA gloves provide crucial protection against high temperatures and flame hazards.
Caption: The heat transfer performance test evaluates a glove’s ability to block convective and radiant heat transmission.
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