... celloluse and 45% polyester 2. It is convenient to use, with properties of cleanness, no debris, a strong strength and high ... to remove liquid and oil on the circuit board surface, in electronic industries, with high absorption, noeasy fluffing, strong tensile ... CLASS 1000 cleanroom for solutions like cleaning semi-conductor,LCD,PCB,circuit board product line,precison optical products,etc.2, Optical ...