Available in 8 oz Brush-Top Bottle (Part No. SL35401), NLGI Grade 1 non-toxic, non-drying thread sealing compound does not contain lead, graphite, molybdenum disulfide, or clay fillers. White, non-hardening formula – blend of non-melting grease, PTFE particles, and other inert solid fillers – holds pressure to 8,000 psi, has usable range of -35 to +550°F, protects against chemicals, and prevents corrosion.