The Hazard Characteristic Code (HCC) designation for High Flash Point Materials, OSHA IIIB. Hazard Group & Comments: Materials, not meeting the definition of any other HCC, that have a flash point above 200ºF (93ºC). Excluded from this definition are Petroleum Oils and Lubricants (POLs) as they have a separate HCC (V6). OSHA Class IIIB liquids are included in this definition