... packing has been developed extensively. The Bridge Raschig Ring is now used in many applications, but particularly in ... available in a wide range of carbon and stainless steels.Technical dataSize(mm)Bulk density(kg/m3) ... stainless steel (AISI304) in the material thickness shown. Other material available: carbon steel, stainless steel including 304, 304L, 410,316, 316L. stainless steel raschig ring