Color after firing at 1200° (average results)  
L 82,05
a 3,07
b 14,56
Residue on sieve 0.063, average 0,4
General application Insulators, All types of tiles
Remark: moisture 18% +/-2% for summer time
Chemical Characteristic for Calcined product  
Al203 % 30,0+/-0,5
Fe203 % 1,30+/-0,1
Ti02 % 1,50+/-0,1
Si02 % 59,00+/-2,0
Ca0 % average 0,5
Mg0 % average 0,5
Na20 % average 0,45
K20 % average 2,1
Lol % average 9,6
Shrinkage % max 14,8
Dry Resistance, (kg/cm2) 50
Water Absorbtion % 0,3+/-0,2
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