Types of materials for lint-free wipesPolypropylene/cellulose - highly absorbent, durable, resistant to acids and other chemicals, autoclavableBlue Polypropylene/Cellulose - Visual Inspection Background, General Purpose CleaningPolyester/Cellulose - Economical, highly absorbent cellulose core with excellent solvent wickingMeltblown Bonded Polypropylene - Multilayer, high durability and sorbent, designed for use with acids and certified for food contactSpunlace Viscose/Polyester - highly absorbent for all liquids, durable, soft, non-scratchSpunlace Polyester - Very clean, absorbs solvents, soft and non-scratch, strong wet or dryCotton – 100% biodegradable, low ionic contamination, heat resistant, highly absorbent, adhesive-freeKNITTED 100% MICROFIBER - The lint-free microfiber cloth is durable and not made of fiber, it is a true textile.