J. R. REFRACTORY
High Alumina Refractory Tiles

High Alumina Refractory Tiles

Send Inquiry

We have been reckoned to be one of the noted manufacturers and suppliers of High Alumina Refractory Tiles. We design these tiles by using quality approved alumina sourced from some of the authentic vendors of the market. Our High Alumina Refractory Tiles are used for flooring purpose in various industries and warehouses. In addition, these tiles are used for external and internal lining for industrial furnace.

Features:

  • Great for flooring wherever corrosion, erosion, wear and sliding abrasion is a concern
  • High thermal insulation with excellent noise barrier
  • Preferred for its smooth finish, longer service life and strong design

Technical Details:

CHEMICAL PROPERTIES 



Al 2 O3 (%) 

98.4 - 99.0 

85 - 88 

SiO 2 (%) 

0.5 - 0.7

8.0 - 10.0 

Fe 2 O3 (%) 

0.05 - 0.07 

1

PHYSICAL PROPERTIES 



Hot Face Temperature (°C) (Max) 

1870

1650

Bulk Density (gm/cc) 

2.8 - 3.0 

2.6 - 2.85 

Apparent porosity (%) 

18 - 23 

17 - 22 

Cold Crushing Strength (kg/cm²)

550 - 650 

700 - 900 

Modulus of Rupture (kg/cm²) at room temp.

180 - 200 

150 - 175 

Reheat change (%) (Max) at 1450&°C for 6 hrs. 

±0.1 

±0.3 

Thermal conductivity (w/m°K) at 1000°C Hot Face temp. 

3

4.1

Spalling Resistance 

Fair 

Good

REFRACTORY CLAY/MORTARS ( Composition)

Type

Al2O3
%

Fe2O3
%

PCE

Grain Size
mm.

Setting

Service Temp.
oC

oC

oC

KR30CM

30

2.5

30

1650

0 ~ 1.0

Heat

1350

KR40CM

40

2.5

30

1650

0 ~ 1.0

Heat

1400

KR60CM

60

4

33

1745

0 ~ 0.5

Heat

1550

KR70CM

70

4

34

1760

0 ~ 0.5

Heat

1600