Certified to NSF-61 standards and is designed for use in potable water systems. This stiff, tacky compound has excellent dielectric properties, oxidation resistance and water repellence. It is essentially non-toxic, non-melting and retains its pliability, even after extended service use. Resistant to a variety of chemicals and is compatible with most plastics and rubbers. Extremely water-resistant and withstands water washout and spray-off.
**Please note, with every O-ring purchase silicone grease is included.