Silverline 303 Talc
MONTANA TALC
| GEBR - GE Brightness |
74-82 |
| HEGF - Hegman Fineness |
3.0-4.0 |
Silverline 325 is a 325 mesh, asbestos free, platy Montana talc. It is intended for use as a general purpose talc filler where high brightness is not required.
It is useful in ceramics as a flux for middle temperature bodies, 2-3% can reduce maturing temperature by 2-3 cones. The iron content is high enough that this talc will yellow the color of white earthenware casting bodies (these typically employ 50% talc).
Physical Properties:
% Passing 200 mesh (74 micron): 100
325 mesh (44 micron): 98
-20 micron: 79%
-10 micron: 57%
-5 micron: 38%
-1 micron: 7%
Median particle size: 7.5 micron
Oil Absorption g/100g talc (ASTM D281): 29
Bulk Density (lbs per cubic ft) Loose: 16 Tapped: 32
Specific Gravity: 2.8
Mineralogy:
Talc 97%
Dolomite 2%
Chlorite <1%
Quartz <1%
Asbestiform Mineral Test: CTFA J 4-1
Out Bound Links
XML for Import into INSIGHT
<?xml version="1.0" encoding="UTF-8"?>
<material name="Silverline 303 Talc" descrip="MONTANA TALC" searchkey="" loi="5.00" casnumber="14807-96-6">
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="U" percent="1.000" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="U" percent="31.000" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="0.500" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="62.000" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.500" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="LOI" name="Loss on Ignition" percent="5.000" tolerance=""/>
</volatiles>
</material> | 
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