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Description:theyare milled in China from a pure high brightness deposit of Sodium bentonite These grades possess controlled particle size distribution, excellent swelling properties and exceptional brightness , making them suitable for use in a number of applications.Na denotes a Sodium bentonite.
Typical Properties (Non-specified):
SiO2 | 68.6% |
Al2O3 | 14.15% |
FeO, Fe2O3 | 1.05% |
CaO | 1.82% |
MgO | 3.43% |
Na2O | 2.88% |
K2O | 0.82% |
Ti2O | 0.10% |
Physical Properties:
Appearance | White powder |
pH | 10±1 |
Moisture Content | ≤12% |
Particle Size (pass325 mesh, %) | ≥90% |
Sand content 325 mesh | ≤0.5% |
Methylene Blue | ≥100mep/100g |
FreeSwell | ≥22(ml/2g) |
Hunter whiteness | ≥90% |
bentonite