Ideal for semiconductor, TFT-LCD, lens manufacturing process,Assures cleanliness with ultra low levels of particles, ions Characteristics: --Laundared by 18M Ω ; Of ultra-pure D. I water, and packaged in Class 10 Cleanroom; --Assures cleanliness with ultra low levels of particles, ions and extractable consistant with Class 10~1000 cleanroom environments; --Excellent water and oil absorption; -- ...