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By certification 
ceramic support media (SM-100)
Chemical composition
Composition Value
SiO2 >75%
Al2O3 17-20%
SiO2+Al2O3 >93%
Fe2O3 <1%
CaO <0.5%
MgO <0.5%
K2O+Na2O <4%
Physical properties
Index Unit Value
Specific gravity g/cm3 2.3-2.4
Acid Resistance % 99.6
Alkali resistance % 85
Operation temperature ℃ 982
Leachable Iron % 0.1
Free volume % 40-44
Water absorption % <0.5
Hardness Moh's scale >6.5
Bulk density MT/m3 1.35-1.45
Spalling resistance ℃ 427
Dimension and other physical propertites
Crush strength Kg/particle KN/particle
1/8''(3mm) >30 >0.3
1/4''(6mm) >60 >0.6
3/8''(9mm) >170 >1.7
1/2''(13mm) >306 >3
3/4''(19mm) >430 >4.3
1''(25mm) >635 >6.35
1.5''(38mm) >910 >9.1
2''(50mm) >1000 >9.8
Chemical composition
Composition Value
SiO2 >75%
Al2O3 17-20%
SiO2+Al2O3 >93%
Fe2O3 <1%
CaO <0.5%
MgO <0.5%
K2O+Na2O <4%
Physical properties
Index Unit Value
Specific gravity g/cm3 2.3-2.4
Acid Resistance % 99.6
Alkali resistance % 85
Operation temperature ℃ 982
Leachable Iron % 0.1
Free volume % 40-44
Water absorption % <0.5
Hardness Moh's scale >6.5
Bulk density MT/m3 1.35-1.45
Spalling resistance ℃ 427
Dimension and other physical propertites
Crush strength Kg/particle KN/particle
1/8''(3mm) >30 >0.3
1/4''(6mm) >60 >0.6
3/8''(9mm) >170 >1.7
1/2''(13mm) >306 >3
3/4''(19mm) >430 >4.3
1''(25mm) >635 >6.35
1.5''(38mm) >910 >9.1
2''(50mm) >1000 >9.8
