Ultraseed™ Bi inoculant

ULTRASEED™ Bi inoculant is designed for use with pure Mg treated ductile irons which have a very low nucleation level post-nodularisation. This does not, however, preclude use in MgFeSi treated irons. ULTRASEED™ Bi inoculant may be used in all section sizes from small automotive parts to wind energy applications. The product is based on Elkem’s patented coating inoculant technology.

  • Generates high nodule density
  • Promotes ferrite
  • Powerful chill reducer
  • May be used on ductile irons produced with pure Mg methods
  • May be used on irons treated with MgFeSi.


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Elkem offers various safety documentation, for hazardous (Safety Data Sheets) and non-hazardous (Product Safety Information) materials.