This 8oz tube of Krytox GPL-223, is the anti-corrosion grade of Krytox GPL-203.  See pictured chart.

If you use Krytox GPL-204, note that this anti-corrosion grade of GPL-203, has very similar specs.  See pictured chart.

New, 8oz tubes of Chemours/DuPont Krytox GPL-223 for $50.00 each. Price includes free freight.

NLGI Grade: 2 Four-Ball Wear: Not Specified
Grease Thickener: PTFE Base Oil: Synthetic
Flash Point: No Application: General Purpose, Bearing, Valves, O-Ring Seals
Max. Operating Temp.: 309 Degrees F Container Size: 8 oz.
Item: Anti-Corrosion Grease Lubricant Additives: Sodium Nitrite
Grease Container: Tube Grease Color: White
Min. Operating Temp.: 140 Degrees F Timken OK Load: 30 lb.
Specific Gravity: 1.74 to 1.92 Country of Origin (subject to change): United States