montmorillonite
Bentonite for ceramics
Appearance: White powder
Chemical Formula: Al2O3.4(SiO2). H2O
Molecular Weight: 360.31
Size: 100-3000mesh
CAS No.: 1302-78-9
HS Code: 2508100000
Specification of Calcium Base Bentonite and Sodium Base Bentonite | ||
Item | Calcium Base Bentonite | Sodium Base Bentonite |
Montmorillonite content, % | 60-90 | 70-72 |
Colloid valence, % | 60-90 | 100 |
Swelling index, ml/g | 8-12 | 20 min |
Water absorption rate, % | 180-260 | 550-600 |
Ph value | 6.5-7.5 | 9-10 |
Moisture % | 10 max | 10 max |
Methyl biue, g/100g | 30 min | 32 min |
Fineneess(pass 200mesh screen), % | 95 min | 95 min |