CZ4
Range
Expendables
Subtitle
Zircon material
Description
CZ4 is a fine grain zircon-based refractory material. It is used mainly as orifice rings for the manufacturing of borosilicate glass and other special glasses.
Typical application
CZ4 is used for orifice rings.
- Special glasses
- Opal glass
- Crystal
Chemical and physical properties
Typical chemical composition
Typical crystallographic analysis
Main phase:
- zircon
Secondary phase:
- monoclinic zirconia
- silicate
Physical characteristics
| Description | International standards | British standards |
|---|---|---|
| Refractoriness under load 2 105Pa, 0.5% at |
1,520°C | 2,768°C |
| Cold crushing strength | 90MPa | 13,053psi |
| Coefficient of thermal expansion | 5 10-6K-1 | 2.7 10-6°F-1 |
| Thermal conductivity at 1,000°C | 2.2 W.m-1.K-1 | 12.25 BTU in hr-1ft-2°F-1 |
| Porosity | 16.5% | 16.5% |
| Typical bulk density for orifice rings | 3.8g/cm3 | 237pcf |
Storage
The zircon material, CZ4 solution must be stored in a dry environment protected from weather conditions.
Expendables Catalog
7711
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