SPECIFIC MAINTENANCE PRODUCTS AGRI-FOOD NSF approved detectable removable equipment Product for agri-food industries (AFI) Hazard Analysis Critical Points for their Mastery ISO 22 000 CODEX ALIMENTARIUS NSF categories: H1 lubricants: usable in food manufacturing areas. Used as anti-corrosion agents, non-stick seals on tank closures, lubricants for materials located in areas of potential contact with food. K1 solvents: