Self-Saturating Foam Swabs quickly and cleanly remove contaminants from hard-to-reach electronics components, magnetic heads and other areas where high-reliability cleaning is required. Contain IPA/DI fluid, consisting of 91% isopropyl alcohol and 9% deionized water. Handle is manufactured from clear polypropylene; the swab tip is comprised of 100 PPI foam. Solvent and applicator combined in one unit. Is a non-aggressive cleaner, suitable for use on plastic or metal surfaces. High evaporation rate. Each swab is filled with 1.4 ml of IPA/DI; tip is 100 PPI Foam, is 27 mm in length and is 14.25 mm wide. Available in packs of 50. Boiling point is 82-83°C and flash point is 12°C.