Based in Central Florida, between Tampa and Orlando, ChemStar® Mechanical Packing, Inc. manufactures more than 40 different styles of braided packing used in a wide variety of applications - including pumps, valves, oven doors, tank cars, dome lid seals, slurries, seals, heat exchangers and other industrial and commercial applications. StarPac injectable pump & valve sealant was introduced to help address current EPA concerns. StarPac promotes a cleaner environment as it reduces energy consumption, eliminates the need for sealing water and virtually runs leak free.