An in-depth expert analysis of how a flammable storage cabinet, like the Justrite 894500, uses principles of thermodynamics, engineering, and electrostatics to meet OSHA and NFPA 30 standards and prevent fires. Understand the science behind the steel. . sed in most laboratory and industrial environments. Storing these materials sing point f od TR IZ / LARGE Lo e ci m sulfate boards E re g or fire-fighting . itical role in maintaining work-place safety. Also, any modifications. . EN TYPE 90 CABINET: Mandatory. If no door open arrest system is used the doors must close automatically from every position when released. Not more than 60 gallons of Class I or Class II liquids, nor more than 120 gallons of Class III liquids may be stored in a storage cabinet (most stringent per OSHA; NFPA. . How to Use Corrosive and Flammable Cabinets? Provide designated storage for corrosive chemicals. When used properly, they not only make your workplace compliant with regulations, but most critical function of a safety cabinet is protection in the event of a fire.