High-performance Loctite® Krytox® RFE PFPE O-Ring Lubricant is formulated to increase seal and gasket material efficiency and service life. Compatible with most plastics, synthetic rubbers, and metals, the synthetic grease offers excellent lubrication over a broad temperature range. It is nonflammable and oxygen-compatible, and resists chemicals and water. O-Ring Lubricant, PFPE Base, Size 2 oz., Container Type Tube, NLGI Grade 2, Color White, Temp. Range -15 Degrees to 500 Degrees F, Flash Point None, Dropping Point Not Specified, Four-Ball Wear Not Specified, Specific Gravity 1.95, Timken OK Load Not Specified, Viscosity @ 40C Not Specified, Viscosity @ 100C Not Specified, Metal Detectable No, Application All Types of Moving or Sliding Parts