Wiping cloth suitable for Class 1-10000 cleanrooms Mainly used to wipe chips in conductor production line and microprocessor assembly lines, LCD liquid crystal display products, precision instruments, etc. These environmentally friendly wipes are amine free, lint-free, and are designed specifically for critical care units and cleanrooms Highly absorbent, heat-resistant, durable, and autoclavable No binders or additives and are manufactured by a proprietary process for low-fiber release and high strength Also contains an apertured surface which aids in particle pick up and entrapment Great supply for MRO & Industrial, Manufacturing & Metalworking, Electrical, Printer Heads, and Medical industries 4 x 4 inch, 140pcs/pack