RS Cleanroom Poly/Cellulose Dry Wipes. These cleanroom wipes from RS are specially-designed for applications that require exceptional absorbency and superior strength. The material is a hydro-entangled, non-woven cellulose polyester, containing 55% cellulose and 45% polyester. Its superior absorbency makes it ideal for spill control in a cleanroom environment, as well as for general purpose wiping. Features:. Combines polyester for strength with the absorbency features of longer, cellulose fibres Packaged and processed in cleanroom environment for further particle reduction Smooth, durable and highly-absorbent. Applications:. Suitable for use in cleanrooms class ISO6-ISO7 Ideal for use within pharmaceutical, bio-tech and medical device manufacturing operations Suitable for general purpose wiping and polishing - including optics