Cleanroom Wipes Material : 100% Polyester Knit Wipes,Double Knits Size: 4"* ... ", 6"*6", 9"*9", 12"*12" Classs: 100, 1000, 1000 Cleanroom wipes Description: the lowest contamination levels at an economical price ... "*6", 9"*9", 12"*12"Classs: 100, 1000, 10000 Application: Cleanroom wipers are widely used in PCB, LCD, Semi-conductor ,Chemical ...