Potassium Aluminosilicate Disk

Potassium Aluminosilicate Disk provides high thermal stability, ion-exchange capacity, and mechanical strength in a precisely machined circular format. With excellent resistance to alkali corrosion and shape-selective adsorption, it is employed in catalysis, water purification, and structural ceramics. Industries such as energy, environmental engineering, and chemical processing use potassium aluminosilicate disks in furnace linings, ion-exchange filters, and catalyst substrates. Specific applications include water softening media, refractory components in high-temperature reactors, and carrier substrates for catalytic coatings. Research explores its structural stability under alkali load, NMR characterization of ion exchange processes, and its potential as recyclable refractory material. The disk geometry ensures reproducibility in electrochemical and adsorption tests, while its chemical durability makes it suitable for harsh environments. Its unique balance of functionality and structural resilience positions it as a key material bridging industrial applications and advanced materials research.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Disk

Thickness		±20%

Material Properties for Ceramics

Chemical Resistance

Element	Value
Acids - concentrated	Fair
Acids - dilute	Good
Alkalis	Good

Electrical Properties

Element	Value
Dielectric constant	6-6.6
Dielectric strength( kV mm⁻¹ )	40-200
Volume resistivity( Ohmcm )	10¹²@25

Physical Properties

Element	Value
Refractive index	1.5-1.6
Useful optical transmission range	450-700nm
Water absorption - saturation( % )	Very Low
Density( gcm⁻³ )	2.6-3.2

Thermal Properties

Element	Value
Upper continuous use temperature( C )	500-600
Specific heat( J K⁻¹ kg⁻¹ )	50@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	0.5-7@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	9-36@20-1000°C