Castor 927 is a unique blend of highly refined castor oil, a specially prepared synthetic
and an additive system that reduces carbon and gum formation and provides excellent
rust & corrosion protection. Castor 927 also contains an exclusive additive that keeps
power valves cleaner and working properly. For all of us that wish to keep our air and
water cleaner, Castor 927 is biodegradable. Castor 927 keeps on lubricating; where
other lubricants turn to carbon or vaporize, and provides extra protection on cylinder walls,
bearing journals and other critical areas at temperatures much higher than other lubricants.