Chemola™ Desco Polymel 422 Chemola™ Desco is one of the largest and oldest producers of valve lubricants, sealants and packing. The line also offers a variety of greases for a wide range of industrial applications. Enhanced Hydrocarbon Service Chemola™ Desco Polymel 422 now has enhanced hydrocarbon resistance with a specially formulated polymeric lubricant base and unique […]