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γ-Al2O3 or θ-Al2O3 Raschig Rings

Alumina Raschig ring shped catalyst support is with crystal form γ-Al2O3 or θ-Al2O3. This product is fixed length fixed diameter hollow cylinders.

Diameter tolerence 0.2 mm. 

Available diameter is  3.0, 4.0, 5.0, 6.0, 8.0 mm.

LOI of spheres is < 5%.

Attrition is < 5%

Product Diameter Water Absorption Radial Strength Surface Area Pore Volume Bulk Density
Code mm % N/cm m2/g cc/g g/cc
RR-1 3-8 > 80 > 60 200-400 0.6-0.9 0.4-0.6
RR-2 3-8 > 60 > 80 200-300 0.4-0.5 0.7-0.9
RR-3 3-8 > 60 > 100 200-300 0.5-0.6 0.6-0.8

 

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