- Workzone - 75% Nitrile is a fantastic multi-purpose oil resistant mat designed to offer exceptional slip protection on wet, oily or greasy floors. The honeycomb open top design allows excellent drainage and swarf management whilst the raised studs to the underside ensure the mat stays in place. Workzone - 75% Nitrile also offers anti-fatigue benefits to ensure worker comfort and safety, making it the perfect solution for a range of applications.