SHAMROCK TECHNOLOGIES › SST® 3 SST® 3 $0.00 SHAMROCK SST® 3 is a white low MW PTFE micro powder with particle size distribution at a mean value of 5 µm. Quantity: Add To Cart Added! SHAMROCK SST® 3 is a white low MW PTFE micro powder with particle size distribution at a mean value of 5 µm. You Might Also Like SST 3P SST® 3 RC SST® 4 SST 1MG SST® 2