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Polycrystalline Mullite Fiber Special Shaped Products
Polycrystalline Mullite Fiber Special Shaped Products is a kind of hard fiber products using the polycrystalline
mullite bulk fiber as raw materials, processed by filter pressing through wet-processing vacuum. Its volume
weight ranges from 300 to 600 kg/m2. It is fit to electrical resistance furnace’s whole flue, mosaic circuit board
, all kinds of high-temperature kiln’s bricklaying, hanging and anchor of the furnace top, fireguard in the furnace,
thermal insulation sheet of interlayer and joint, etc.
Technical Index
|
Chemical Composition |
AL2O3:72-74% AL2O3+SiO2:~99.6% |
|
|
Main Phase |
Mullite |
|
|
Fiber Diameter |
2-3.8μm |
|
|
Specific Surface Area |
35.5M²/g(1000℃) |
|
|
Reheating Shrinkage |
~2.0%(1500℃*6hr) |
|
|
Volume Weight |
300-600kg/M³ |
|
|
Use Temperature |
1700℃ |
|
|
Thermal Conductivity(w/m.℃) |
1000℃ |
0.16-0.17 |
|
1250℃ |
0.22-0.24 |
|
|
1350℃ |
0.25-0.27 |
|
|
Specification |
Customize according to the requirements |
|
Note:
1. Data are average results of standard tests which are subject to variation, don't show the guarantee data of
product quality because of fluctuating within certain range.
2. The size is also can be designed according to the clients’ requirement.
