The Kreutzonit® products
Zircon opacifiers have been used in the ceramic industry for many years, especially in the production of tiles and sanitary products.
Helmut Kreutz GmbH has provided non-ferrous grinding and micronizing of minerals for more than 70 years.
Micronized zirconium silicates from Kreutz GmbH are used in the ceramic industry throughout the world. Our goal is to win, strengthen and extend our customers’ trust through our top-quality products.
10 micrometers— D50 = 2,0 micrometers
D50 = medium particle size
Chemical and physical properties
| ZrO2 | 64-65,5 % |
| SiO2 | 33-34 % |
| Fe2O3 | 0,10 % max |
| TiO2 | 0,15 % max. |
| Specific weight | 4,6 g/cm3 |
| Melting point | 2.200 °C |
| Mohs hardness | 7,5 |
Areas of use
Ceramic industry, as a zircon opacifier for engobes and glazes, Glass industry, Refractory industry, Insulation material
8 micrometers— D50 = 1,5 micrometers
D50 = medium particle size
Chemical and physical properties
| ZrO2 | 64-65,5 % |
| SiO2 | 33-34 % |
| Fe2O3 | 0,10 % max. |
| TiO2 | 0,15 % max. |
| Specific weight | 4,6 g/cm3 |
| Melting point | 2.200 °C |
| Mohs hardness | 7,5 |
Areas of use
Ceramic industry, glazes, tiles, sanitary products and other areas of use
5 micrometers— D50 = 1,0 micrometers
D50 = medium particle size
Chemical and physical properties
| ZrO2 | 64-65,5 % |
| SiO2 | 33-34 % |
| Fe2O3 | 0,10 % max |
| TiO2 | 0,15 % max. |
| Specific weight | 4,6 g/cm3 |
| Melting point | 2.200 °C |
| Mohs hardness | 7,5 |
Areas of use
Ceramic industry, glazes, tiles, sanitary products and other areas of use
4 micrometers— D50 = 0,8 micrometers
D50 = medium particle size
Chemical and physical properties
| ZrO2 | 64-65,5 % |
| SiO2 | 33-34 % |
| Fe2O3 | 0,10 % max |
| TiO2 | 0,15 % max. |
| Specific weight | 4,6 g/cm3 |
| Melting point | 2.200 °C |
| Mohs hardness | 7,5 |
Areas of use
Ceramic industry, glazes, tiles, sanitary products and other areas of use
Zirconium silicates
Zircon sand
… from different deposits, calcined or uncalcined. (ceramic and foundry quality)
Zircon flour
…in the standard flour finenesses of 20, 45, 63, 75 and 90 micrometres and all customer-specific fineness grades.
Micronized zircon
see Kreutzonit® Produkte
Areas of Use:
ceramic frits and glazes, as zircon washes in foundries, refractory industry for zircon bricks and zircon masses
