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Zirconium Silicate (ZrSiO₄)

Zircon, zirconium silicate (ZrSiO₄), is a mineral that always contains hafnium in quantities ranging from 1 to 4%. It is hard, and Zircon (not to be confused with cubic zirconia) varies between colorless, yellow-golden, red, brown, and green, sometimes changing color by heat treatment. As a powder, Zircon is a coarse or fine white mineral powder that is chemically inert and stable to very high temperatures. Insoluble in water and immune to acid attack except by sulfuric acid, only when ground into a fine powder. Zircon sand has a low enlargement coefficient and may be very stable at high temperatures. In powdered form, zirconium dioxide is vibrant white, exceedingly reflective, and thermally stable.

Reade offers calcined and uncalcined milled zircon. Please specify your requirements in the additional notes.
Typical Chemical Analysis

ZrO₂= 66.0%
SiO₂= 32.0%

Typical Applications

Zircon is used in high-temperature applications. It is used as a refractory cloth in many foundry and casting applications. One of its maximum common uses is inside the manufacturing of ceramics. In powdered form, it is used as an opacifier, whitening agent, and pigment in glazes and stains on ceramics and pottery.

Packaging Options

50 lb. and 100 lb. net bags, super sacks, and loose bulk

Classification

Zircon TSCA (SARA Title III) Status: Listed
For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902

Zircon CAS Number: 10101-52-7

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Select Specifications Available

  • -40 + 200 Mesh
  • 200 Mesh and Finer
  • 325 Mesh and Finer
  • 400 Mesh and Finer
  • 600 Mesh and Finer
  • Between 0.7 and 2.4mm Sintered Beads

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