Kevin offers raschig rings. Raschig rings are generic random packing available in metallic, ceramic, graphite, and carbon material. It is supplied in many sizes ranging from 5mm to 100mm . Raschig rings made from carbon or graphite are used in specific applications demanding good corrosion and thermal shock resistance. They are resistant to most acids, alkalis and solvents at high temperatures. They also have high crushing strength and thus, a longer life.