... .Density:2.2 - 2.4gm/cc 4.SGS ISO Molded PTFE Rod Dia.20mm ~ 400mm; Lenght: 100mm/pc ~ 300mm/pc. has ... and a wax-like surface to which anything hardly sticks.PTFE has the lowest coefficieng of friction of all known ... It has the best electrical properties of all plastics. Molded PTFE Rod is widely used to seal/washer, central build, ... (mm)Length (mm)ToleranceSFFBN1,2,3,4>2000+5.05,6,7,8,9SF×BN4,5,6,7,8,10 ...