DeoxIT Shield S-Series provides long-lasting protection on metal surfaces in severe environments. It is NOT a cleaner, protects, lubricates and maintains optimum conductivity on all metal connectors and contacts. Recommended pre-cleaning with DeoxIT D-Series contact cleaner or other cleaning method for best protection. Use on NEW metal surfaces, usually in the manufacturing process. It is also ideal where high degrees of pollution (sulfur, salts, acids, etc.) are present.Main Features:5% Spray – Perfect-StrawTM, Quick Dry Solvent, Non-Drip, Safe on most plastics.DeoxIT Shield S100L concentrate has 0.0% chemical cleaning action.Ideal for severe environments (humidity, salts, pollutants, sulfur, etc.)Excellent protection, good conductivity enhancing, excellent lubrication.Creates a long lasting barrier against oxidation and corrosion.No ozone depletion.Reduces intermittent connections, arcing, RFI, wear and abrasion..Cleaner Audio – Clearer Video – Reliable Data.