... & Polyester Fabric Cleanroom Paper Wipers, Dust-free Room Cleaning Wipes, Spunlaced Nonwoven Hand Towels, 55% Wood ... , wiping, polishing, cleaning, painting, washing Cleanroom, cleaning room, dust-room, laboratory, chemical. Electronics, semiconductor, precision instruments, optical ... polyester White 4"*4"1200pcs/bag, 10bags/cartonClean room WipesWIP-0604ECellulose/viscose & polyester White 4"*4" ...