OX1682 Cordierite Powder (2MgO·2Al2O3·5SiO2)

Catalog No. OX1682
Bulk Density(g/cm3) 0.42
Color tan
Melting Point ~1179- 1471 °C
Spec. Gravity ~2.3
Molecular Weight 595 g/mol.

Stanford Advanced Materials (SAM) manufactures high purity Cordierite Powder (2MgO·2Al2O3·5SiO2).
Other Magnesium products: Pharmaceutical Grade Magnesium Oxide, High Purity Magnesium Lump, Magnesium Alloys (Mg Alloys), High Purity Magnesium (Mg) Ingot

Description of Cordierite Powder

Made from talc mixed with clay and aluminum oxide. There are no known large deposits of natural cordierite. It has a low coefficient of thermal expansion, high mechanical strength, low density, and low dielectric loss.
1) Chemical Name: Magnesium-alumina silicate / Magnesium iron aluminium cyclosilicate
2) Chemical Formula: (Mg, Fe)2Al4Si5O18
Cordierite Powder Theoretical Analysis: MgO= 13.8%, Al2O3= 34.8% and SiO2= 51.4%

Synonyms of Cordierite Powder

Magnesium aluminosilicate, dichroite, iolite, cordierite, cordierite powder, magnesium alumina silicate, aluminum magnesium silicate, CAS# 1302-88-1
Physical Properties
1) Crushed and sized grain or powder
2) Standard Granulations Available
a) APS= 6 to 7 microns
b) 80% finer than 45 microns
c) Custom granulations for large volume users

Typical Applications of Cordierite Powder

To manufacture kiln furniture, molded honeycomb-like catalyst supports in auto emission reduction devices, thick films, porous ceramics, feed- thru insulators, vitrified ceramics, high-frequency insulators, high-performance resistors, special furnace shapes, heating element supports, exhaust catalyst supports, burner tubes, refractory setters, and substrates.
Cordierite is not a very common mineral, but is important as a component of glass-ceramic materials used in applications where the material must have minimal thermal expansion (eg cooker hobs).

Packaging of Cordierite Powder

Bags, drums and bulk bags

Specifications of Cordierite Powder

Molecular Weight (g/mol.)

595

Bulk Density (g/cm3)

0.42

Thermal conductivity (cal/s-cm-°C)

0.002

Melting Point (°C)

~1179- 1471

Specific Gravity (g/cu m)

~2.3

Specific heat @25°C (cal/g-°C)

0.35

Color

 tan

Mohs Hardness

7

Water Absorption % at room temperature

 0.02 to 3.2

Thermal Expansion (in/in°C (20deg. C-700 deg.C)

2.3 X10-6

Specific Gravity

2.6- 2.7

Crystallography

orthorhombic

Classification of Cordierite Powder

Cordierite Powder TSCA (SARA Title III) Status
Cordierite Powder CAS Numbers: CAS# 1302-88-1 (alumina magnesium silicate) plus 1302-93-8 (mullite) plus 1302-87-8 (spinel)

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