FINKL LR, HB, and HI-HARD P-20 are part of a series of mold materials offering a range of properties for various molding applications. The increasing success and popularity of plastic products over the years has led to more sophisticated tooling and constantly evolving resin. These forces have acted together to place increased demands on mold materials. This datasheet provides information on composition. It also includes information on machining. Filing Code: TS-683. Producer or source: A. Finkl & Sons Company.