Killark SC5W - Exact amount of compound and water are packaged together into a two compartment plastic pouch. - No mixing or measure implements are required. - Squeezing the inner water container forces the water into the compartment containing the sealing compound. - Complete mixing takes place inside the plastic pouch. - Can be poured directly into the sealing fitting. - A tubular straw is provided to reach those difficult seals. SC Series Sealing Compound is a cement used extensively for sealing conduit to prevent the spread of explosion gases. It features the exact amount of coumpound to water ratio packed together into a two compartment plastic pouch for the most percise pour everytime.