... LCD, semi-conductor, medical device Microfiber wiper is made of 100% microdenier continunous filament in interlock and double-knit ... edgesLaundered by 18M ohms ultra pure water, packaged in class 100 clean roomLow particles and ionsDelicate texture, very soft, ... for cleaning scratch sensitive surfaces2. Superior for work surfaces of process material, flat panel display, liquid crystal display, wafer ...