... hold the fiber on the edge of the wiper Cleanroom polyester wiper: The wiper is ultra clean wiper with ... class 100, and class 1000 cleanroom applicationsFeatures: Laser sealed edges, stacking 100% continuous polyester fiber, strong cleaness and adsorption ... extractable ions Applications to cleanroom class 10 to 1000 for semiconductor, LCD, HDDMaterial and specifications: 100% polyester, DGY Poly yarn ...