Kaolin code KN-113 is one of the codes related to Niusht mine. This kaolin has a relatively high percentage of alumina, good adhesion and temperature resistance.

The color of the lump of this product is cream to light brown and the color of its micronized powder is also light brown.

Part of the depot of this product in the form of mineral lumps for the production of red-brown bricks and also for use as glue in the production of products, is being prepared and sent to brick factories.

Another part of the depot of this product is prepared for use in agricultural industries/production of agricultural fertilizers and after granulation and processing in the factory, it is provided to the producers.

SiO2 : 64.86

Al2O3: 19.70

Fe t : 4.38

MgO : 0.32

K2O: 1.48

Na2O :2.16

CaO : 0.98 

TiO2: 0.49

P2O5 : 0.10

SO3: 0.15

LoI : 4.97 

Acid test : no reaction 

Coefficient of thermal expansion: 75

Reset mesh 230: 1.2

Soil hardness: soft

Color before cooking: pinkish

Color after cooking: darker than before

Furnace temperature: 1140 C

Furnace cycle : 65 Min 

Dry strenght : 26.19

Dry shrinkage : 0.96

Curing strenght : 163

Baking shrinkage : 3.9

Heat wave : 3

Water absorption : 7.35

Slurry viscosity : 44

Slurry density : 1.44