Color after firing at 1200° (average results)  
L 84,17
a 3
b 12,4
Residue on sieve 0.063, average 0,3
General application Insulators, All types of tiles
Remark: moisture 18% +/-2% for summer time
Chemical Characteristic for Calcined product  
Al203 % 31,5+/-0,5
Fe203 % 1,00+/-0,1
Ti02 % 1,50+/-0,1
Si02 % 58,00+/-2,0
Ca0 % average 0,5
Mg0 % average 0,5
Na20 % average 0,45
K20 % average 2,1
Lol % average 9,8
Shrinkage % max 15,5
Dry Resistance, (kg/cm2) 55
Water Absorbtion % 0,2+/-0,2
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