AZARSHAHAB REFRACTORIES CO.

RAMMING

ARRAM A40

General Properties (Download PDF)

Classification ……………..……….. Alumina Ramming Mix
Description…Chemical & Ceramic Bonded Refractory Ramming Mix
Raw Material Basis ………….…….……….……. Chamotte
Bond …………………….….…………. Chemical & Ceramic
Installing Method ………………………………… Ramming
Grain Size (mm) …………………….…………….….. Max 6

Main Chemical Component

Al2O3 (%) …………………………………………. 40

SiO2 (%) …………………………………………… 48

Fe2O3 (%) ………………………………………… 1.5

CaO (%) …………………………………………… 0.3

Physical & Thermal Properties

Maximum Service Temperature (ºC) .… 1410
Bulk Density at 1000 ºC (gr/cm³) …… 2.0-2.2
Cold Crushing Strength (kg/cm²)
After Firing at 1000 ºC ……………. 100-200
After Firing at 1300 ºC ……………. 150-250
Permanent Linear Change (%)
After Drying at 110 ºC ……… (-0.3) to (-0.1)
After Firing at 1000 ºC ……… (-0.5) to (-0.2)

All data subject to reasonable deviation and therefore, should not be used for specification purposes.

AZARSHAHAB REFRACTORIES CO.

RAMMING

ARRAM A50

General Properties (Download PDF)

Classification ……………..……….. Alumina Ramming Mix
Description…Chemical & Ceramic Bonded Refractory Ramming Mix
Raw Material Basis ………….……….……….……. Bauxite
Bond …………………….….…………. Chemical & Ceramic
Installing Method ………………………………… Ramming
Grain Size (mm) …………………….…………….….. Max 6

Main Chemical Component

Al2O3 (%) …………………………………………. 50

SiO2 (%) …………………………………………… 38

Fe2O3 (%) ………………………………………… 1.5

CaO (%) …………………………………………… 0.2

Physical & Thermal Properties

Maximum Service Temperature (ºC) .… 1440
Bulk Density at 1000 ºC (gr/cm³) …… 2.1-2.3
Cold Crushing Strength (kg/cm²)
After Firing at 1000 ºC ……………. 100-200
After Firing at 1300 ºC ……………. 150-250
Permanent Linear Change (%)
After Drying at 110 ºC ……… (-0.3) to (-0.1)
After Firing at 1000 ºC ……… (-0.5) to (-0.2)

All data subject to reasonable deviation and therefore, should not be used for specification purposes.

AZARSHAHAB REFRACTORIES CO.

RAMMING

ARRAM A60

General Properties (Download PDF)

Classification ………………… High Alumina Ramming Mix
Description…Chemical & Ceramic Bonded Refractory Ramming Mix
Raw Material Basis ………….……….……….……. Bauxite
Bond …………………….….…………. Chemical & Ceramic
Installing Method ………………………………… Ramming
Grain Size (mm) …………………….…………….….. Max 6

Main Chemical Component

Al2O3 (%) …………………………………………. 60

SiO2 (%) …………………………………………… 28

Fe2O3 (%) …………………………………………… 2

CaO (%) …………………………………………… 0.5

Physical & Thermal Properties

Maximum Service Temperature (ºC) .… 1500
Bulk Density at 1000 ºC (gr/cm³) … 2.25-2.45
Cold Crushing Strength (kg/cm²)
After Firing at 1000 ºC ……………. 100-200
After Firing at 1400 ºC ……………. 200-300
Permanent Linear Change (%)
After Drying at 110 ºC ……… (-0.3) to (-0.1)
After Firing at 1000 ºC ……… (-0.5) to (-0.2)

All data subject to reasonable deviation and therefore, should not be used for specification purposes.

AZARSHAHAB REFRACTORIES CO.

RAMMING

ARRAM A70

General Properties (Download PDF)

Classification ………….…….. High Alumina Ramming Mix
Description…Chemical & Ceramic Bonded Refractory Ramming Mix
Raw Material Basis ………….……….……….……. Bauxite
Bond …………………….….…………. Chemical & Ceramic
Installing Method ………………………………… Ramming
Grain Size (mm) …………………….…………….….. Max 6

Main Chemical Component

Al2O3 (%) …………………………………………. 70

SiO2 (%) …………………………………………… 19

Fe2O3 (%) ………………………………………… 2.2

CaO (%) …………………………………………… 0.5

Physical & Thermal Properties

Maximum Service Temperature (ºC) .… 1580
Bulk Density at 1000 ºC (gr/cm³) … 2.25-2.45
Cold Crushing Strength (kg/cm²)
After Firing at 1000 ºC ……………. 100-200
After Firing at 1400 ºC ……………. 250-350
Permanent Linear Change (%)
After Drying at 110 ºC ……… (-0.3) to (-0.1)
After Firing at 1000 ºC ……… (-0.5) to (-0.2)

All data subject to reasonable deviation and therefore, should not be used for specification purposes.

AZARSHAHAB REFRACTORIES CO.

RAMMING

ARRAM A80

General Properties (Download PDF)

Classification ………………… High Alumina Ramming Mix
Description…Chemical & Ceramic Bonded Refractory Ramming Mix
Raw Material Basis ………….……….……….……. Bauxite
Bond ………………..….…………….….…………. Chemical
Installing Method ………………………………… Ramming
Grain Size (mm) …………………….…………….….. Max 6

Main Chemical Component

Al2O3 (%) …………………………………………. 80

SiO2 (%) …………………………………………… 10

Fe2O3 (%) ………………………………………… 2.2

CaO (%) …………………………………………… 0.5

Physical & Thermal Properties

Maximum Service Temperature (ºC) .… 1660
Bulk Density at 1000 ºC (gr/cm³) … 2.40-2.60
Cold Crushing Strength (kg/cm²)
After Firing at 1000 ºC ……………. 150-250
After Firing at 1400 ºC ……………. 300-400
Permanent Linear Change (%)
After Drying at 110 ºC ……… (-0.3) to (-0.1)
After Firing at 1000 ºC ……… (-0.5) to (-0.2)

All data subject to reasonable deviation and therefore, should not be used for specification purposes.

AZARSHAHAB REFRACTORIES CO.

RAMMING

ARRAM A90

General Properties (Download PDF)

Classification ………….…….. High Alumina Ramming Mix
Description…Chemical & Ceramic Bonded Refractory Ramming Mix
Raw Material Basis ………………………. Tabular Alumina
Bond ……………….…..…………….…..hemical & Ceramic
Installing Method ………………………………… Ramming
Grain Size (mm) …………………….…………….….. Max 6

Main Chemical Component

Al2O3 (%) …………………………………………. 87

SiO2 (%) …………………………………………….. 7

Fe2O3 (%) ………………………………………… 0.7

CaO (%) …………………………………………… 0.2

Physical & Thermal Properties

Maximum Service Temperature (ºC) .… 1800
Bulk Density at 1000 ºC (gr/cm³) … 2.80-3.00
Cold Crushing Strength (kg/cm²)
After Firing at 1000 ºC ……………. 600-800
After Firing at 1500 ºC ……………. 700-900
Permanent Linear Change (%)
After Drying at 110 ºC ……… (-0.3) to (-0.1)
After Firing at 1000 ºC …….. (-0.2) to (+0.2)

All data subject to reasonable deviation and therefore, should not be used for specification purposes.