Pharmaclean® wipe constructed from 100% continuous-filament polyester, double layer with sealed edges.Weight g 225/m2. Ideal for very critical environments and cleanrooms class ISO 4 and 5. The ultra-sonic sealing ensures an extremely low fibers and particles release. High absorption capacity thanks to the double layer. Resistant to abrasion, this wipe is highly recommended for polishing and cleaning surfaces, machines, semiconductors, microelectronics. Cleanroom laundered and double packaged. The product is sterilized by Gamma irradiation. Each package has sterilization indicator, product code and lot number and is accompanied by a certificate of irradiation and confirmity. Dimensions 12" x 12" (cm 30 x 30).