If the chemicals and the flammables are the types of things you deal the most, then you should have these BEST Chloroflex Neoprene gloves for your workers' hand protection. These gloves are resistant to wide range of chemicals and have also been certified with NFPA 19920 (National Fire Protection Association).
With 20 mil case of hardened neoprene construction, the gloves apply ergonomically designed form that maximizes the productivity as they provide long wear comfort. This is thanks to the tractor-tread finish that allows the wearer to have a firm grip when handling either wet or dry material and the flocked line to absorb perspiration.
The gloves are available in 3 sizes: size 8, size 9, and size 10. Purchase by a dozen to save more.