American Classic Diamond Anti-Fatigue by Rhino is the benchmark for comparison to all other Industrial Anti-Fatigue Mats. This American Classic suffers no deterioration from weathering and ozone exposure and is self-extinguishing when tested per FMVSS-302, offering excellent durability following exposure to many organic and inorganic industrial chemicals. • It exceeds the competition with a closed-cell polymeric/nitrile sponge base that produces the incredibly soft and resilient rebound properties needed in a rigorous manufacturing environment. It has excellent flexibility at a wide range of temperatures from -40°C to 108°C and resistance to oils, fuels, and chemicals. • Available in two gauges 9/16" and 1" thick. Both gauges are available in stock sizes 2'X3' & 3'X5' with custom sizes from roll widths of 24", 36", 48", 60", 72", and 96". • The edges of the sponge base will be beveled within 1.5" of the top surface to effectively taper the edges of the surface to the floor and create a visibly molded incline around the mat's perimeter.