Electronic grade phosphoric acid is an indispensable high-purity chemical in semiconductor processes. With its moderate acidity, high-temperature stability, and unique dissolving properties, it plays an important role in processes such as aluminum and aluminum alloy etching, selective etching of silicon nitride, wafer cleaning and surface treatment, and chemical mechanical polishing This product features ultra-high purity, low particulate matter, and high precision in concentration control, and can meet various customer packaging requirements.