Chemtronics CP410 Optic Prep™ 65% IPA Presaturated Wipes are high quality premoistened lens-grade tissues for cleaning optical surfaces. These highly effective cleaning wipes are ideal for cleaning and polishing optical surfaces, lenses, photographic equipment, CRT and LCD screens and instruments. Optic Prep™ is safe for use on fiber optic connectors. Optic Prep™ Presaturated Wipes contain ultra-pure isopropyl alcohol (65% IPA / 35% Pure Water) on an ultra-soft, lens grade tissue. Perfect for Plastic and glass lenses, machine optics and alignment lenses, Fiber Optic Connectors, CRT's and LCD's, Microscopes, Copier optics and prisms and mirrors.