| Crown Black™ 325 | Hiller Carbon, LLC. | Crown Black™ 325 is a high purity washed low volatile bituminous coal. It is finely ground and dried during the milling process to a very fine particle size recommended for use as a filler/extender in a wide variety of applic...view more Crown Black™ 325 is a high purity washed low volatile bituminous coal. It is finely ground and dried during the milling process to a very fine particle size recommended for use as a filler/extender in a wide variety of applications. Crown Black 325™ has excellent electrical insulation properties and readily disperses in natural and synthetic rubbers. view less |
