Introduction to water quality categories of pure water equipment
The water quality of the pure water equipment is as follows:
Conductivity ≤10μS/CM: Animal drinking water (medicine), common chemical raw material ingredient water, food industry ingredient water, deionized water for washing in general electroplating industry, de-hardening and desalted pure water for textile printing and dyeing, pure water for polyester chips, fine chemicals Water, purified water for civil drinking water, and other water with the same water quality requirements.
Conductivity ≤5μS/CM: Production water for electroplating chemicals, water for surfactant production in the chemical industry, purified water for medical use, purified water for liquor production, purified water for beer production, purified water for civilian drinking, water for production of ordinary cosmetics, hemodialysis Water machine water, other water with the same water quality requirements.
Resistivity 5~10MΩ.CM: Lithium battery production water, battery production water, cosmetics production water, pure water for power plant boilers, water for chemical plant ingredients, and other water with the same water quality requirements.
Resistivity: 10~15MΩ.CM: Animal laboratory water, glass bulb coating washing water, pure water for electroplating, water for coating glass, and other water with the same water quality requirements.
Resistivity ≥15 MΩ.CM: Sterile water for pharmaceutical production, water for oral liquids, deionized water for production of advanced cosmetics, water for coating in the electronics industry, water for cleaning optical materials, pure water for the electronic ceramic industry, pure water for cutting-edge magnetic materials, Other water with the same water quality requirements.
Resistivity ≥17 MΩ.CM: Demineralized water for magnetic material boilers, water for sensitive new materials, water for production of semiconductor materials, water for advanced metal materials, laboratory water for anti-aging materials, non-ferrous metals, water for smelting precious metals, water for production of nano-grade new materials , New aviation material production water, solar cell production water, crystal wafer production water, ultra-pure chemical reagent production water, laboratory high-purity water, and other water with the same water quality requirements.
Resistivity ≥18 MΩ.CM: ITO conductive glass manufacturing water, laboratory water, electronic grade clean cloth production water and other water with the same water quality requirements.
Applicable industries: production of electronic industry such as mono/polysilicon semiconductor, integrated circuit block, solar energy, picture tube, LCD, glass bulb, optical glass coating, optoelectronics and optical fiber, and other process water. Ultrapure water. High-purity water for PCB and FPC process. Pure water for battery (battery, lithium) electroplating production process. Surface coating of products such as automobiles and household appliances. Cleaning water for hardware industry