DESCRIPTION

STD/Cera: Refractory fibre made from alumina and silica.

AZS/Cerachem: Refractory fibre made from Alumina, Silica and Zironia. All above fibres are resistant to chemical attack, except for hydrofluoric and phosphoric acids and strong alkalies.

FEATURES
CLASSIFICATION TEMPERATURE
The Maximum use temperature depends on the application. In case of doubt, refer to MMTCL Technical service for advice.
APPLICATIONS
AVAILABILITY & PACKAGING
Physical Properties STD Blanket AZS Blanket CERA Blanket CERACHEM Blanket
Classification temperature°C 1260 1425 1260 1425
Chemical composition (%)
Al2O3 43 – 47 32 – 36 42 – 46 33 – 37
SiO2 53 – 57 44 – 48 54 – 58 48 – 52
ZrO2 16 – 19 13 – 17
Fe2O3 0.1 0.1 0.1 0.1
CaO + MgO 0.08 0.08 0.08 0.08
Na2O + K2O 0.40 0.40 0.40 0.40
Tensile strength ( kgf/m2 )
64 kg/m³ 1200 1200 2500 2500
96 kg/m³ 2000 2000 4500 4500
128 kg/m³ 3000 3000 6000 6000
160 kg/m³ 4000 4000 7000 7000
190 kg/m³ 5000 5000 7500 7500
Linear shrinkage % – 24 hrs Max 3.2 (1200°C) 3.5 (1400°C) 3.0 (1200°C) 3.5 (1400°C)
Thermal conductivity w/mk
Densities kg/m3
400 C
600 C
STD Blanket/AZS Blanket
@ 64 kg/m3
0.12
0.20
96 kg/m3
0.9
0.14
128 kg/m3
0.08
0.13
CERACHEM BLANKET
@ 64 kg/m3
0.12
0.20
96 kg/m3
0.10
0.16
128 kg/m3
0.09
0.15

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