DeoxIT® Shield S5S-6 seals, lubricates and protects metal surfaces against oxidation and contamination. Recommended after DeoxIT® D-Series contact cleaner for best protection and NEW metal surfaces, usually in the manufacturing process. It is also ideal where high degrees of pollution (sulfur, salts, acids, etc.) are present. DeoxIT® Shield S-Series should be applied to a clean surface - after using DeoxIT® D-Series or other cleaning method. For reference, DeoxIT® Shield has 0% cleaning action. Temperature Range, -34 C (-29 F) to +210 C (410 F).