... on the edge of the wiper Cleanroom polyester wiper: The wiper is ultra clean wiper with laser sealed edges, designed ... applicationsFeatures: Laser sealed edges, stacking 100% continuous polyester fiber, strong cleaness and adsorption Produce very low ... for semiconductor, LCD, HDDMaterial and specifications: 100% polyester, DGY Poly yarn: 75D/36F Weave: weft knitted ... /9 x 9 inches SELEN polyester wiper