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By Melissa Gerhardt, FR Workwear and Arc Flash PPE Product Manager, NSA What is an FR Layering System? In general FR layering is a combination of two or more arc rated materials combined together to achieve higher protection and/or performance. FR layering systems are specifically made up of 2 or more arc rated garments that are worn together to achieve higher protection and/or performance. All FR layering combinations need to have an actual arc test performed to verify the offici …

National Safety Apparel (NSA) has been making protective clothing for more than 75 years. They started in Cleveland at a time when steel and particularly wire production was in full swing. NSA was, and is, a family business dedicated to produced high-heat clothing, and as the requirements of industry have changed so have their products. Today NSA serves workers in electrical, oil & gas, thermal, cut-protective, flame-resistant, FR rainwear, and hi-visibility markets by producing some of the m …