... agents. 3. Ideal for cleaning delicate equipments. Description: Dust-free Class 100 Cleanroom PaperFeature & Function:1, Non-woven fabric, comprised of ... 9*9 (22.8CM*22.8CM) , 62G/M2Application: Electronics industry, cleanroom, optical devices, optical fiber manufacture, printing, SMT, precision equipment, food ... 9" (228mm×228mm) 300PCS/BOX 0612 12"×12" (304mm Dust-free Cleanroom Paper 9*9