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Grade: Porous Alumino-Silicate
Formula: SiO₂ 57/Al₂O₃ 36/CaO/MgO/BaO
Form: Tube
Material: Alumino-silicate Glass
Commodity: Ceramics
Wall Thickness: 8mm
Inside Diameter: 13mm
Outside Diameter: 29mm
Porosity: 40%

Porous Alumino-Silicate Aluminosilicate Glass Tube

Porous Aluminosilicate Glass Tube offers high surface area, permeability, and thermal stability in a cylindrical form optimized for flow-based applications. Its structure allows efficient gas and liquid transport, enabling use in catalysis, adsorption, and membrane filtration. Industries including environmental engineering, energy storage, and biomedical science employ these tubes for catalyst carriers, chromatographic separation, and biomedical implants. Research uses include studies of ionic conductivity, fluid dynamics through porous media, and development of advanced gas diffusion layers for fuel cells. The tubular format ensures uniform channeling and flow control, making it highly relevant for scalable devices requiring both structural integrity and functional porosity. Its chemical durability and high mechanical stability further reinforce its importance for continuous flow operations and harsh-environment applications, where porous glass tubes provide reliability and adaptability in both industrial and scientific contexts.
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Tolerances

Tube
Outside Diameter =<2mm ±10%
Outside Diameter =<5mm ±10%
Outside Diameter >5mm ±10%
Wall Thickness ±20%

Material Properties for Ceramics

Chemical Resistance
Element Value
Acids - concentrated Fair
Acids - dilute Good
Alkalis Good
Physical Properties
Element Value
Refractive index 1.54
Apparent porosity( % ) 45
Density( gcm⁻³ ) 2.65
Thermal Properties
Element Value
Upper continuous use temperature( C ) 900
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 5@20-1000°C

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