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High Performance polishing resins
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Purolite ion exchange resins for ultrapure water are specially manufactured to meet the precise needs of the electronics industry for wafer and microchip production. These needs require the highest possible water quality (<1 ppb Total Organic Carbon (TOC) and >18.2 MΩ·cm resistivity, with minimum rinse times), while eliminating contamination of the high purity circuits when ion exchange resin is first installed.
All UltraClean resins undergo treatment to remove the organic residuals that are left on ion exchange resins after manufacturing. They are highly regenerated in the H+ and OH- forms.
For regenerable service deionization (SDI), portable exchange (PE) or cartridge systems, where TOC readings must be less than 10 ppb after rinsing with 30-40 Bed Volumes (BV) or less, UltraClean UCW3900, UltraClean UCW3700, UltraClean UCW3600 are recommended.
demineralizare - apă ultrapură