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Caltalc

California talc

OxideAnalysisFormula
CaO5.88%0.132
MgO27.66%0.868
Al2O31.11%0.014
SiO257.95%1.219
Fe2O30.61%0.005
LOI6.80
Oxide Weight117.81
Formula Weight126.41
If this formula is not unified correctly please contact us.

CalTalcs are high purity, high brightness materials characterized by a platy grain shape and closely controlled particle size. They are excellent for use in a wide variety of products including ceramics, paint, coatings, paper, plastic, putty/joint compounds and rubber products. CalTalcs emcompass a series of products ranging from 200 mesh to 3 microns.

Grade 200 325 Micro MicroPlus

Specific Gravity: 2.75
Weight per solid Gal-lb: 23.3
Loose density lb/ft3 29 28 16 12
Tapped density lb/ft3 62 57 40 27
Plus 325 mesh 14% 1% trace NIL
Dry Brightness 88 88 90 90
Oil Absorption 20 28 33 36
pH: 9.2
Hegman Fineness 3 4+ 6

California Talc has been preferred by West Coast ceramists for many years and is noted for its light color, bright white firing, and the platty nature of its particles which create a silky greenware.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Caltalc" descrip="California talc" searchkey="" loi="0.00" casnumber="14807-96-6"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="5.880" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="27.660" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="1.110" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="57.950" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.610" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="6.800" tolerance=""/> </volatiles> </material>


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