Refractory Alumina Foam

 Cellular refractory machined on customer request

SIZAL-Cell® is a range of non-fibrous insulation products manufactured from alumina microspheres. Ultra-light, SIZAL-Cell® is designed for high-temperature applications up to 1800°C.

Ceramic foam board

The main component of the insulation is a microsphere made from alumina. An exclusive and innovative process allows the industrial production of this unique element. The internal structure of the cell is a honeycomb-like thread that ensures the mechanical quality of the insulation, whatever the temperature of use. A specific binder means the assembly is homogeneous - this particular construction is light and porous and, consequently, insulating and mechanically efficient.

Main properties

  • Guaranteed use up to 1800°C.
  • Effective in all atmospheres, including reducing or oxidising atmospheres.
  • Low thermal conductivity
  • Low density, ultra-light insulation, easy to use
  • Long life, no shrinkage or distortion, no decrease in quality and performance over time.
  • Excellent resistance to thermal shock. Suitable for repeated and rapid hot and cold cycles, allowing production to increase without premature wear to the furnace lining
  • Good resistance to abrasion and burner gas flows.
  • Stabilised chemical composition allowing a wide range of applications, with no pollution to the furnace atmosphere.
  • Free from fibres and organic binders, and safe and environmentally friendly
  • No carcinogenic classification in accordance with regulation EC No. 1907/2006 REACH.

Applications 

  • Insulation panels for industrial or laboratory installations
  • Furnace linings (electric and gas)
  • Furnace, burner or turbine components.
  • Mechanical parts, part supports, and more.
  • Repairs

Technical Specifications

Référence

Unités

1260-380

1430-380

1540-380

1650-420

1705-420

1750-700

Classification temperature 

°C

1260

1430

1540

1650

1705

1700

Chemical composition (%)

Al2O3

50.2

59.8

65.3

70.4

80.5

99.5

 

SiO2

46.4

38.1

32.1

28.5

17.8

< 0.3

 

Autre

3.4

2.1

2.6

1.1

1.7

< 0.2

Mineral Phase

 

Mullite + Corindon

Mullite + Corindon

Mullite + Corindon

Mullite + Corindon

Mullite + Corindon

Alumina

Continuous operating 
temperature

°C

1160

1330

1440

1550

1605

1650

Short-duration 
operating 
temperature

°C

1210

1380

1490

1600

1650

1750

Density

kg/m3

380

380

380

420

420

700

Open porosity

%

88

87

86

86

87

83

Resistance to cold crushing

MPa

1.2

2.6

3.1

4.2

2.9

7

Resistance to cold bending

MPa

0.7

0.9

2

2.6

1.8

3

Permanent dimensional variation after 24 hours

%

±0.3 (1230°C)

+/- 0.33

(1400°C)

+/- 0.12 (1510°C)

+/- 0.43 (1620°C)

+/- 0.29 (1680°C)

/

Thermal conductivity 200°C

W/m.K

0.13

0.15

0.2

0.18

0.17

/

400°C

W/m.K

0.14

0.17

0.21

0.21

0.19

/

600°C

W/m.K

0.19

0.19

0.22

0.24

0.21

/

800°C

W/m.K

0.2

0.22

0.24

0.26

0.25

0.68

1000°C

W/m.K

0.21

0.25

0.27

0.3

0.28

0.75

1200°C

W/m.K

/

0.28

0.3

0.33

0.31

0.80

Standard dimensions

mm

900 x 600 x 50

900 x 600 x 50

900 x 600 x 50

900 x 600 x 50

900 x 600 x 50

560 x 360 x 100

microporous Sizal Cell® (295.69k)

Sizal® Cell microporous - datasheet


LIGHTWEIGHT REFRACTORY MULLITE (295.69k)

Datasheet