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Ceramic Fibre Blankets

Refractory Fibre Blankets

AVAILABILITY
Standard sizes: 610 mm width X 7300 mm length
610 mm width X 3650 mm length
for 38 & 50 mm thick
1220 mm width X 7300 mm length
610 mm width X 14640 mm length
for 6 & 12 mm thick

FEATURES
• Excellent insulating performance
• Excellent thermal stability
• Low heat storage
• Resistance to thermal shock
• Good sound absorption
• Unaffected by most chemicals except hydrofluoric and phosphoric acids and strong alkalies

Applications

• Furnace & kiln linings	• Boiler insulations	• Reformer & heater lining
• Coke oven hot repair	• Expansion gap	• Duct and Pipe linings
• Thermal barriers for automotive industry	• Die cut shapes for automobiles	• Steam and Gas turbines insulation

Classification temperature :

STD BLANKET : 1260° C AZS BLANKET : 1425° C Cerablanket : 1260° C Cerachem Blanket : 1425° C

The Maximum use temperature depends on the application. In case of doubt, refer to MMTCL Technical service for advice.

Description

Refractory blankets are available in roll form in a wide Variety of densities and thicknesses. All blankets are made from long refractory fibres, binder free and are needled. They have excellent strength before and after heating. All blankets have excellent chemical resistance unaffected by all chemicals except hydrofluoric acids and strong alkalies.

MAIN PROPERTIES

Physical Properties	STD Blanket	AZS Blanket	Cerablanket	Cerachem Blanket
Classification temperature 0C	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/m2	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 12000C)	3.5 14000C)	3.0 (12000C)	3.5 (14000C)

Thermal conductivity w/mk	STD Blanket/AZS Blanket	STD Blanket/AZS Blanket	STD Blanket/AZS Blanket	Cerablanket/ Cerachem Blanket	Cerablanket /Cerachem Blanket	Cerablanket/ Cerachem Blanket
Densities kg/m3	64	96	128	64	96	128
4000C	0.12	0.09	0.08	0.12	0.11	0.10
6000C	0.20	0.14	0.13	0.20	0.16	0.15

Thickness (mm)	Density	Density	Density	Density	Density
	64	96	128	160	190
6	-		X	X	X
8	-	X	X	X	X
12	-	X	X	X	X
19	X	X	X	X	X
25	-	X	X	X	X
38	-	X	X	X	X
50	-	X	X	X	X

All above blankets are subjected to standard tolerances. The values given herein are typical values obtained in accordance with accepted test methods and subject to normal manufacturing variations. They are supplied as a technical service and are subject to change without notice. Therefore, the data contained herein should not be used for specification purposes.

Insulation Materials

• Insulation Brick • Calcium Silicate Blocks • Insulation Mattresses • Monolithic Products • Mortars
• Anti Corrosive Products

Fire Bricks

• High Alumina Bricks • Magnesia Carbon Bricks • Basic Bricks • Alumina Fire Bricks

Ceramic Fibre Products

• Ceramic Bulk Fibers • Ceramic Fibre Blankets • Ceramic Fibre Modules • Moist Felt • Ceramic Fibre Ropes
• Ceramic Fibre Textiles • Ceramic Fibre Board • Ceramic Fibre Paper • Ceramic Fibre Shapes

• Magnesia Carbon Refractories
• Alumina Magnesia Carbon Refractories
• Special Basic Refractories
• Special Insulation Bricks
• High Alumina Mortar
• Silicon Carbide Bricks

• Specialized Fire Bricks / Zircon
• Basic Mortar, Ramming, Fettling and Patching Masses
• Insulation Bricks
• Fire Bricks Fire Clay Super Duty
• Plastic Materials
• Fireclay Mortar

• High Performance Super Duty
• Fire Bricks / High Alumina / Low Iron
• Fire Bricks / High Alumina / Bauxite
• Fire Bricks / High Alumina / Specialised
• High Alumina and Zircon Mortar, Patching and Ramming Masses

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