Blackmac Emulsion Sealer is a plural component, single package, asphalt coating designed to weather seal parking lots, streets, highways, and highway apron surfaces. Blackmac Emulsion Sealer is a fuel resistant surface sealant available in both concentrate and diluted form. McAsphalt Industries Limited now offers a suite of surface sealants which are recommended for normal fog seal applications or for applications where extended chemical resistance is required, e.g. fuel station islands for aircraft or automobiles. more... See more text