... processing, &semiconductor,circuit board,biomedical devices etc cleanroom lint free wipes are ideal for use in most cleanrooms ... manufacture. Kc 7009Features Lint free, no chemical binders Laser sealed edge, effectively keep dust away from edges Superb ... solvents 5) Ideal for using in class 100-1000 cleanroom, etc. Specification MaterialBasic weightSizeThicknessAbsorbencySheets/bags70% polyester +30% ...