Transtar 6244 Black Kwik Seal 2K Urethane Sealer (1 Quart) is formulated as a premium quality sealer that can be used over a variety of substrates. Kwik Seal provides exceptional adhesion to bare metal, aluminum, SMC, fiberglass, old paint finishes as well as all Transtar primers. Kwik Seal creates excellent leveling and gloss hold old properties. Compatible with most basecoats, clearcoats, and single stage systems. Considered one of the most innovative products on the market. Utilizing Transtar's “Star Shade” system allows colors to be intermixed at established rations for unlimited variation of colors for optimum basecoat coverage. TDS 211. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.