P.S.M. (porous sintered material) rings are a speciality and are used world wide. Five different materials are available with different porousity structures. They can be supplied to suit all spinning and twisting machine manufacturers products and have been developed to avoid oil contamination of yarn Steel rings are available for short staple and worsted spinning (although some worsted spinners prefer PSM) and are available for all makes of machinery in flanged, conical and vertical design.
P.S.M. (porous sintered material) rings are a speciality and are used world wide.