PX OPTIMUM BLACK CT

Permatex’s Optimum Black is an advanced maximum flex and oil resistance RTV gasket maker. Optimum Black combines maximum oil resistance with maximum flexibility and provides maximum a temperature performance of -75 to 500 °F. It resists aging, weathering and thermal cycling without hardening, shrinking or cracking Works great on newer lightweight and premium components, as well as oil pans and timing covers Maximum flexibility provides assemblies where dissimilar metals meet