Aluminium Silicate Fibre Felt and Board Description
Aluminium silicate fibre felt and board are used as refractory materials due to their defined physical and chemical properties. Stanford Advanced Materials (SAM) has over 20 years of production experience in manufacturing aluminium silicate felt and boards, and SAM guarantees that its products meet established quality standards and are offered at a competitive price.

Specifications for Aluminium Silicate Fibre Felt and Board
Physical Property
|
Ordinary
|
Standard
|
High Purity
|
High Alumina
|
Zirconium
|
Model STD
|
Model H
|
Model HP
|
Model HA
|
Type ZA
|
SAMASC-401
|
SAMASC-402
|
SAMASC-403
|
SAMASC-404
|
SAMASC-405
|
Colour Classification
|
white
|
white
|
white
|
white
|
white
|
Temperature Classification (°C)
|
1000
|
1100
|
1200
|
1260
|
1400
|
Working Temperature (°C)
|
<950
|
1000
|
1100
|
1200
|
1360
|
Bulk Density (kg/m³)
|
280–500
|
280–500
|
280–500
|
280–500
|
280–500
|
Permanent Linear Shrinkage (% 24 hr, 350 kg/m³)
|
-4
|
-3
|
-3
|
-3
|
-3
|
1000°C
|
1000°C
|
1100°C
|
1260°C
|
1360°C
|
Thermal Conductivity at Various Temperature Levels (W/m·K at 285 kg/m³)
|
400°C
|
0.085
|
0.085
|
0.085
|
0.085
|
0.085
|
800°C
|
0.132
|
0.132
|
0.132
|
0.132
|
0.132
|
1000°C
|
0.180
|
0.180
|
0.180
|
0.180
|
0.180
|
Tensile Strength (MPa) and Thickness-Dependent Compression at 10%
|
0.5
|
0.5
|
0.5
|
0.5
|
0.5
|
Chemical Composition (%)
|
Al₂O₃
|
44
|
46
|
47–49
|
52–55
|
32–33
|
Al₂O₃+SiO₂
|
96
|
97
|
99
|
99
|
-
|
ZrO₂
|
-
|
-
|
-
|
-
|
15–17
|
Fe₂O₃
|
<1.2
|
<1.0
|
0.2
|
0.2
|
0.2
|
Na₂O+K₂O
|
≤0.5
|
≤0.5
|
0.2
|
0.2
|
0.2
|
Applications for Aluminium Silicate Fibre Felt and Board
Aluminium silicate fibre felt and board can be utilised in the following areas:
- Industrial furnaces
- Wall cladding
- Decoration
- Art and other high-temperature ceramic furnace linings
- Upper seal
Packaging for Aluminium Silicate Fibre Felt and Board
Our aluminium silicate fibre felts and boards are carefully handled during storage and transport to maintain the product’s original condition.