materials

zirconia

zirconia

Zirconia (Zirconium oxide, ZrO2) blended with other oxides including magnesium oxide (MgO) & Yttrium oxide (Y2O3) exhibits excellent electrical, mechanical & thermal properties. CUMI Zirconia alloys are engineered for high fracture toughness which prevents the crack propagation in high stress environments and thus significantly improves the life span and reliability of products made with them.

Zirconia alloys find their use in extreme stress environments requiring high thermal & mechanical fatigue resistance and extremely high abrasion & corrosion resistance.

Material And Properties

CUMITUFF MgPSZ

Excellent wear & corrosion resistance

CUMITUFF YPSZ

Excellent wear & corrosion resistance

applications

  • Feeders / Risers / Stalk for low pressure die casting
  • Dosing tubes
  • Sprue / Gate bushes, Cups and Connectors
  • Casting spouts, Flow rods, Retainer rings
  • Nozzles, Crucibles
  • Tap hole plugs and rings
  • Customised special components

benefits

  • Longer service life, can be exposed to molten metal  without pre-heating
  • Energy-efficient process, increased process reliability, reduced freeze-offs and improved yield levels
  • Prevents metal adhesion, simplifies cleaning and increased machine availability
  • Increased service life, does not contaminate the melt & hence enhances product quality & plant efficiency

features

  • Near Zero Thermal expansion
  • Low Thermal Conductivity
  • Non – Wettability
  • Chemical Inertness
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