... .Liquid absorption 2.Low particle generation 3.Compact ESD-safe handle 4.For class 10-100 cleanroom 5.chemical resistant Advantages ... for laster,semiconductor,optical instrument,Electronic microscope,magnetism read-write head,and precision axletree ,etc.Packaging:Beekin® are double bagged in ... solvent resistant inner pack labels insure ease of use. Green Handle Cleanroom Swabs for PCB