Ammonium sulfate (Electronic Grade)

Ultra-high-purity electronic-grade ammonium sulfate ((NH₄)₂SO₄) for semiconductor & electronics manufacturing. Purity ≥99.99% with strict control of trace metals (≤15 ppm) and particle size. Colorless crystals/white granules, high solubility & thermal stability. Used as etchant, wafer cleaner, and electroplating additive in IC fabrication; removes oxides/contaminants from silicon wafers and enhances coating adhesion. Complies with SEMI standards for microelectronics.
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