Copper oxide and copper catalysts produce methyl chlorosilanes and are engineered to meet stringent customer requirements. Catalyst powders are offered with elemental promoters to enhance reactor performance, increase the dimethyldichlorosilane yields, reduce selectivity to high-boiling point residues (di-silanes), and increase silicon metal utilization.


  • Oxide Flake:
    Typically > 86% copper; balance oxygen
    Median particle size (D50) 2 µm to 3µm
    Specific surface area > 2 m²/g
  • Copper:
    Typically 99.5% minimum
    Particle size range controlled to meet customer requirements

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