CP410 Fibre Optic Cleaning Wipe x 50 pcs for Fibre Optic Connectors. The Chemtronics Optic presaturated wipes are high-quality pre-moistened lens-grade tissue for cleaning optical surfaces. These wipes contain ultra-pure isopropyl alcohol (65% IPA/35% pure water) on an ultra-soft, lens-grade tissue. This is a highly effective cleaning wipe and is ideal for cleaning and polishing optical surfaces, lenses and photographic equipment. This product is safe for use on fibre optic connectors.