Advanced Materials by Vivara Scientific

Sintered Zirconium Silicate (SZS) Milling Media - 2.5-2.8mm

$29.30
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Sintered zirconium silicate (SZS) grinding media, 2.5–2.8 mm. The entry point into ceramic media. Higher density than alumina and stronger than ZTA at ≥1,400 N crushing strength, at a fraction of the cost of stabilized zirconia. The workhorse choice for paint, ink, and coatings production where throughput and cost per kilogram matter more than ultimate purity.

Technical Specifications

Material Sintered zirconium silicate
Chemical Composition Al₂O₃ + ZrO₂ ≥ 67%
SiO₂ ≤ 30%
Others ≤ 3%
Bead Size 2.5–2.8 mm
Density ≥ 4.08 g/cm≥
Vickers Hardness ≥ 10 GPa
Crushing Strength ≥ 1,400 N
Wear Loss ≤ 1.2 g/kg·h
Sphericity ≥ 95%
Water Absorption ≤ 0.01%
Appearance Light yellow

 

Applications

  • Paints and coatings: pigment dispersion and letdown
  • Printing inks: solvent- and water-based systems
  • Chemical processing: bulk wet grinding and dispersion
  • Ceramics and minerals: cost-sensitive high-volume milling

Compatible Equipment

Ball mills, agitator bead mills, basket mills, and attritors. Suitable for wet and dry milling.

Where SZS Fits

Zirconium silicate sits between alumina and stabilized zirconia. It grinds harder and lasts longer than alumina, and costs far less than zirconia, but its lower density limits energy transfer in high-viscosity systems, and it is not suitable where zirconium, aluminum, or silicon contamination is a specification. For battery materials, electronic ceramics, or pharmaceuticals, use yttria- or ceria-stabilized zirconia.

Ordering

Sold by the kilogram. Available in 1–13 mm. Contact us for volume pricing or help matching media to your process.

Sintered Zirconium Silicate (SZS) Milling Media - 2.5-2.8mm

$29.30