Feldspar code FN-143, with total alkaline elements of 8, shrinkage of about 6 and water absorption of about 7, also has suitable physical properties for the production of porcelain tiles and light-baked granite.
Acid test : no reaction
coefficient of thermal expansion :74
Reset mesh230:N.A.
Soil hardness :mostly hard
Color before baking :milky to cream
Color after baking :milky
Furnace temperature :1155C
Furnace cycle :65Min
Dry strenght:14
Dry shrinkage :N.A.
Curing strenght :150
Baking shrinkage :5.92
Heat wave :N.A.
Water absorption :6.47
Slurry viscosity :35
Slurry density :1.60