Hectalite 200
CERAMIC GRADE BENTONITE
Formula: (Ca,Na)0.33 (Mg2.66,Li0.33) Si4O10(F,OH)2
A plastic magnesium-rich smectite clay of microfine particles (it is a refined version of the same material from which HPM20 and Volclay bentonite are made).
Hectalite is available in grades 200, GM that have the same chemistry and other physical data except for these differences:
-Hectalite 200 has a viscosity of 2000-5000 cps @ 5% solids whereas GM is 50 cps.
-GM has a slightly lower pH of 8-10 whereas 200 is 9-11.
Hectalite 200 is intentended for emulsion stabilizing, gelling, suspending and binding (household products, aerosols, paints, enamels) whereas GM is intended for binding and plasticizing in ceramic bodies.
This material has a chemistry that is unlike other typical fine particled clays.
Physical properties as per Product Data Sheet 10/1990
Brightness: 70 minimum
Density: 2.6 g/cubic cm
Swelling Power: Minimum 24 mls
Texture: Soft, slippery
Color: White to off-white
Wet Particle Size:
Through 200 mesh: 99.75%
Through 325 mesh: 99.0%
Moisture %, Maximum: 6-10%
pH (2% slurry): 9.0-11.0
LOI: 18.65
CAS No. 1302-78-9
Out Bound Links
- (Materials - Related)
Hectabrite
- (Materials - Parent)
Bentonite
Montmorillonite
- (Typecodes)
1: CLO - Clay Other
- (MDT - Member)
North America
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In Bound Links
Pictures
A comparison of the plasticity of Volclay 325 Bentonite:Silica 25:75 (top) and Hectalite:Silica 50:50 (a refined version). Both are mixed with The latter is much less plastic even though it is double the percentage in the recipe.
XML for Import into INSIGHT
<?xml version="1.0" encoding="UTF-8"?>
<material name="Hectalite 200" descrip="CERAMIC GRADE BENTONITE" searchkey="Hectalite" loi="0.00" casnumber="12173-47-6">
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="U" percent="12.100" tolerance=""/>
<oxide symbol="Li2O" name="Lithium Oxide, Lithia" status="" percent="1.290" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="U" percent="20.300" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="U" percent="0.330" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="U" percent="2.800" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="1.580" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="60.800" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="1.230" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="LOI" name="Loss on Ignition" percent="8.500" tolerance=""/>
</volatiles>
</material> | 
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