SHAMROCK TECHNOLOGIES › SST® 3 RC SST® 3 RC $0.00 SHAMROCK SST® 3-RC is a polytetrafluoroethylene (PTFE) micro powder and is produced to follow EU regulatory requirements. Add To Cart Added! SHAMROCK SST® 3-RC is a polytetrafluoroethylene (PTFE) micro powder and is produced to follow EU regulatory requirements. You Might Also Like SST® 3 SST® 2 SST 3PT SST 1MG SST 3P