7106 Style Neoprene 60 Durometer rubber is a very good general service gasket material that has numerous applications in the process industries and in the water and wastewater industry. Temperature range -20 F to 190 F. Sizes and hardnesses other than those shown are available at Amazon. This material is black in color with a smooth finish. 7106 Style is suitable for applications requiring moderate exposure to the ozone. Neoprene is suitable for water, hydraulic silicates and has moderate oil resistance qualities. This material is impact and abrasion resistant. Commonly used in equipment such as valves, pumps, flanges, doors, mixers, agitators and automotive replacement parts.