... mm-Total length: 68 mm Features-Free from silicone, amide and DOP-Low non-volatile residue-Low in both particles ... cleaning-Effectively clean small,slotted.recessed areas-Remove flux residue and excess material-Use in the cleaning static sensitive components parts ... the electronics,semiconductor,hard disk drive, LCD,PCB,SMT, IC, medical and biotech field Other cleanroom swabsCM-FS750,CM-FS751,CM-FS757CM ...