Orion Engineered Carbons | Leading producer of carbon black Orion is a leading innovator delivering sustainable solutions that meet customers' needs. Explore our offerings for a sustainable world. Mechanical Rubber Goods . Orion Engineered Carbons offers a variety of high-tech rubber carbon black grades that meet the demands of mechanical rubber goods (MRGs). Our product portfolio covers a wide range of particle size and structure and includes high purity grades. Typical applications include: tubes and hoses. (conveyor) belts.