... cutting,Laser sealing to hold the fiber on the edge of the wiper Cleanroom polyester wiper: The wiper is ultra ... 1000 cleanroom applicationsFeatures: Laser sealed edges, stacking 100% continuous polyester fiber, strong cleaness and adsorption Produce very low particle and ... to 1000 for semiconductor, LCD, HDDMaterial and specifications: 100% polyester, DGY Poly yarn: 75D/36F Weave: weft knitted Weight: ...