cSPHERE® A25 Inert Bed Support

Interra Global supplies cSPHERE® A25, an inert bed support media that is recommended for applications where temperatures are kept low (325°C and below). This inert bed support is often used in adsorbent beds.

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Product Data Sheet:

Safety Data Sheet:



Silica-alumina ceramic balls (cSPHERE A25) are recommended for low temperature applications.

Inert Bed Support Media A25 Chemical Formula

SiO2 (Silica) 68 – 73
Al2O3 (Alumina) 23 – 30
SiO2 + AI2O3 > 92
CaO (Calcia) < 1.5
TiO2 (Titania) < 0.5
MgO (Magnesia) ≤ 0.76
K2O + Na2O (Alkalies) < 0.3
Leachable Iron < 0.1


Additional information

Packaging Information

cSPHERE® A25 ceramic bed support is available in 1 cubic foot bags.

Health & Safety Information

Health and safety information is available on our cSPHERE® A25 Ceramic Bed Support product safety data sheet, which can be downloaded from above, attached to an email with our reps, or by contacting Interra Global at 847.292.8600.

Handling & Storage Recommendations

Store cSPHERE® A25 in a dry location to prevent premature water adsorption. Do not store outside; ultraviolet radiation and other adverse conditions will negatively impact its integrity and may eventually cause the bag to fail. Reseal packages after opening to prevent contamination and unintended water adsorption. We recommend that you rotate stock so the oldest material is used first.

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