Cleanroom wiper OEM Micro Danier Wiper Size: 4*4, 6*6, 9*9, 12*12, etc Edge: Laser sealed and ultrasonic wiper Class: 10-1000 Cleanroom wiper OEM Micro Danier WiperSize: 4*4, 6*6, 9*9, 12*12, etcEdge: Laser sealed and ultrasonic wiperClass: 10-1000Cleanroom Micro denier wiper Micro-fiber wiper series was weaved with 80D 36Fx16P polyester and nylon, ,sealed by laser or ultrasonic cutting,washed by ...