... room wiper for LCD, semi-conductor, medical device Microfiber wiper is made of 100% microdenier continunous filament in interlock and double ... from edgesLaundered by 18M ohms ultra pure water, packaged in class 100 clean roomLow particles and ionsDelicate texture, very soft, cleaning ... , medical device and hard disk manufacturers 4. Ideal for class 100-1000 cleanroom. class 100 cleanroom wiper