SB10 is a KRYTOX®. base lubricant. This fluorinated oil developed , has the lowest friction coefficient of all lubricants already known on the market. Indifferent in all temperature variations from -70C to 300C, KRYTOX®alloys with metal forming a stable, water repellent film. SB-10 is extremely fluid and penetrates quickly into the chain parts, deraileurs, cables, and bearings. SB-10 is also an excellent lubricant for ski rolls and on line skates! KRYTOX® is a registered trademark of Dupont Company.