... critical environment, such as Semiconductor, Optoelectronics, LCD, etc. Clean room Wiper Features 1. Good economy 2. Very high absorbency, ... PCB product line, chips, microprocessor, etc. 2) Cleaning and polishing products such as LCD series products, disk driver, ... composite materials 3) Ideal for maintenance optical products and precision instruments and equipments 4) Widely used in medical facilities, ...