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Prime Wafer

Prime Wafer

We offer highly-stable silica sols with exceptional purity, controlled particle size, distribution, and morphology for optimum performance in prime wafer polishing processes. Through decades of supplying the prime wafer industry, Nalco Water has acquired the capabilities and know-how for producing silicon polishing slurries with exceptional quality. Our materials deliver steady performance, high removal rates, low defectivity, excellent surface finish and planarity, and post-polishing cleanability ease.