Firemaster ALU Blanket
FEATURES
Low thermal conductivity
Excellent thermal shock resistance
Excellent chemical stability
High resiliency
Good sound absorption
Low heat storage capacity
Excellent Thermal stability :resist devitrification at high Temperature
CLASSIFICATION TEMPERATURE
STD : 1260 ° C
AZS : 1425 ° C
CERA : 1260 ° C
CERACHEM : 1425 ° C
The Maximum use temperature depends on the application.
In case of doubt, refer to MMTCL Technical service for advice.
APPLICATIONS
Raw material for the manufacturing finished products such as Boards, Shapes, Paper and Yarn etc.
Expansion joints, Patching and emergency repairs in furnaces, Boilers, Heaters etc.
Loose insulating fill for crowns and walls of kilns and furnaces.
Packing material for temporary repair of insulation
Precursor for engineered fibres
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.
AVAILABILITY & PACKAGING
All Bulk fibres are delivered in 20 Kgs / 25 Kgs bags (or) in cartons of 16 Kgs.
Physical Properties | STD | AZS | CERA | CERACHEM |
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 |
Specific gravity | 2.65 | 2.65 | 2.65 | 2.65 |
Fibre Diameter (Microns) | 1.5-3.0 | 1.5-3.0 | 1.5-3.0 | 1.5-3.0 |