SEAL 1 CLP Plus paste dissolves carbon on contact and creates a barrier that resists copper, lead, and carbon build up. Features: Seal 1 CLP Plus is a non-toxic bio-based cleaner, lubricant, protectant Liquefies carbon on contact Fouling residues - wipes clean after Two to three applications/seasonings Subsequent cleaning times are greatly Micro protective barrier inhibits residue buildup such as copper, lead, sand, dust and dirt