9x9 Berkshire Microseal 1200 Wiper, 100/Pack, 8 Packs/CS, Bulk Pack - MicroSeal® 1200 is suited as an all-purpose wiper. It is ideal for use in the most critical environments for spill control; equipment cleaning and general clean up. Composition and Attributes: 100% knit polyester with sealed edge. Laundered and packed in an ISO 4 (Class 10) cleanroom. Engineered double knit construction with sealed edge technology. Criticaly low particles and fibers. Lowest extractables and ions. Works well with IPA, Acetone and other solvents. Applications: Recommended for use in ISO Class 3 (Class 1) Cleanroom Applications. Breakdown cleans in front end fab and suite construction Oxidation, Metalization or CVD Deposition areas. Photolithography Process areas. Flat Panel, Optics, and Chamber Cleans. Ion Implantation, Diffusion and CMP Processing. Steam autoclavable for aseptic environments.