Nylog Blue and Nylog Red are both gasket and thread sealants. Nylog Blue has a synthetic ester oil base and is applied to HFC systems in the HVACR industry. Nylog Red has a mineral oil base and is suitable for application on CFC or HCFC systems. Nylog is the only fully compatible and completely miscible sealant in this industry. It cannot contaminate, clog or cause any system
restrictions. It is the only sealant that can be used on any gasket or threaded connection and remain system safe. Nylog is guaranteed to never harden or dry and requires no setup time. It remains a viscoelastic refrigeration oil for life.