Hectalite Bentonite 200M White 50 pound bag
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Hectalite Bentonite 200M White 50 pound bag
HECTALITE200
General High-purity, micronized sodium hectorite clay, consisting of microfine particles for emulsion stabilizing, gelling, suspending, binding and ceramics applications.
Functional High-yielding hectorite clay that exhibits high efficiency, excellent rheology.
The high MgO, CaO and low Al2O3 give this material a chemistry that is unlike other typical fine particled clays.
Purity Composed principally of the clay mineral hectorite.
Solubility Insoluble in water or alcohol;
one gram of clay produces a surface area greater than 750 sq. meters when fully dispersed.
Brightness 70 minimum
Texture Soft, slippery
Moisture 12% Maximum Odor None
Viscosity 2000 - 5000 @ 5% solids Taste None
Spec. Gravity 2.6 Color White to off-white
Free Swell Minimum 24 mls pH 9.0-11.0 @ 2% solids
Dry Particle Minimum 95.00% finer than 325 mesh (44 microns).
Size
Wet Particle Minimum 99.75% finer than 200 mesh (74 microns).
Size Minimum 99.00% finer than 325 mesh (44 microns).
Chemical Formula Trioctahedral smectite, an expanding layer silicate:
(Ca,Na)0.33(Mg2.66,Li0.33)Si4O10(F,OH)2
Elemental Typical analysis – moisture free.
Composition
SiO2 60.8%
Al2O3 1.58%
MgO 20.3%
Fe2O3 1.23%
CaO 12.1%
Na2O 2.80%
Li2O 1.29%
K2O 0.33%
LOI 8.50%
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