A flexible refractory insulation, exclusively made from bulk fibers, without any binder or jointing component. Its strength improves in needling process.
This product is available in different thicknesses and densities.
Application
Iron & Steel Industries
- Hot-face lining for heat-treatment furnaces
- Back-up insulation for reheating furnaces
- Annealing furnace cover seals
- Covering casting nozzles
Non ferrous Industries
- Melting furnace lining
- Holding furnace lining
- Investment casting molds wrappings
- Seals between sections of metal pouring equipment
- Filtration medium for separating nitrides & oxides from metal melts
- Filtration medium for separating slag from melts
Oil/Petrochemical Industries
- Boilers & heating centers
- Catalyst base and filter parts in refining hot gases
- Boiler header insulation
- High-temperature filtration of gases & liquids
- Reactors & cat crackers
- Burners insulation
Ceramic and Tile Industries
- Expansion joints and seals
- Lining of elevator furnaces and firing wagons
- Brick factories
Chemical Industries
- Reformer and cracker furnaces linings
- Filtration & catalyst carrier medium for radioactive particles
- High temperature sealing materials
Aluminum Industries
- Insulation for crucibles, canals and roofs of melting furnaces
Glass Industries
- Repairing fused cast bricks
Transportation Industries
- Acoustical & thermal insulation
- Brake friction pad
- Catalytic converters & exhaust pipe insulation
General Engineering
- Acoustic insulation of gas turbines
- Acoustic insulation of diesel engine exhausts
- Flexible high-temperature pipe insulation
Technical Information for RCF Blanket
|
Grade |
STD |
HA |
HZ |
|
Item |
General |
High Alumina |
High Zirconia |
|
Classification Temp. (ºc) |
1260 |
1400 |
1400 |
|
Color |
White |
White |
White |
|
Max-working Temp. (ºc) |
1260 |
1350 |
1450 |
|
Safe-working Temp. (ºc) |
1100 |
1200 |
1350 |
|
Fiber Diameter (µm) |
2-3 |
2-3 |
2-3.5 |
|
Density (kg/m³) , ASTM C167 |
64-96-128-160 |
96-128-160 |
96-128-160 |
|
Tensile Strength (KPa) ASTM C686 |
45-50 |
45-50 |
45-50 |
|
Linear Shrinkage (%), ASTM C356 |
1100x24 £4 |
1200x24 £4 |
1350x24 £4 |
|
Thermal Conductivity (at 1000C°) (W/m.K) ,ASTMC201 |
0.2-0.3 |
0.2-0.3 |
0.2-0.25 |
|
Chemical Analysis (%) |
|||
|
Al2O3 |
47 |
54 |
35-45 |
|
SiO2 |
52 |
45 |
45-35 |
|
ZrO2 |
- |
- |
15 |
|
Fe2O3 |
£0.3 |
£0.2 |
£0.20 |
|
K2O + Na2O |
£0.25 |
£0.20 |
£0.20 |
|
Standard Size (mm) |
14400 × 610 × 12.5 |
||
|
7200 × 610 × 25 |
|||
|
3600 × 610 × 50 |
|||
|
20000 × 610 × 6 |
|||
|
Range of production (mm) |
Length: unlimited |
||
|
Width: up to 1220 mm |
|||
|
Thickness: 5 to 60 mm |
|||
|
Packing |
Nylon + 5 Layer Carton |
||