Castrol Optitemp 9890 (previously called Molub-Alloy 9890-2) is a premium synthetic lubricant which is especially recommended for the lubrication of plastic parts where minimum applications of lubricants is required. Optitemp 9890 is a special purpose grease formulated from an advanced synthetic fluid and a thermally stable, nonsoap base thickener. A blend of additives and lubricating solids ensure wear protection, therefore enabling long life of components
