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As co-catalysts in the Ziegler-Natta polymerization of propylene, donor silanes are important contributors to the chemical genesis. of polypropylene. WACKER® silanes are used in the production of polypropylene by olefin polymerization, to control stereospecificity.

They are crucial to the quality of the end polymer, enabling high-quality products with outstanding physical and mechanical properties.


  • Guarantee of a high isotactic polymer content
  • Control of the molecular weight


  • Plastic co-catalysts
  • Polypropylene manufacture