Alumina Ceramic Fiber Board
Introduction
NC Fiber Board is made of shattered cotton compressed together using inorganic adhesives by the wet vacuum suction filter process. With such advantages as low density and high intensity, the product has a wide range of applications, like as the hot surface of furnace lining to withstand the direct impact of flames and high-temperature gas glows.
Characteristics
High stability;
Low thermal conductivity;
Low thermal capacity;
Resistance to thermal shock;
Resistance to erosion;
Easy to process and cut;
High thickness precision and size precision;
Exceptional ability to withstand flames and gas flows;
Easy to install and convenient to use.
Application
Product parameter
|
Fiber Board |
NC1260 |
NC1350 |
NC1400 |
NC1430 |
NC1600 |
NC1700 |
NC1800 |
|
|
Classification Temperature(℃) |
1260 |
1350 |
1400 |
1430 |
1600 |
1700 |
1800 |
|
|
Density(KG/M³) |
300-600 |
300-600 |
300-600 |
300-600 |
300-600 |
450-700 |
450-700 |
|
|
Reheating Linearchange(%)(24H) |
≤1.5(1050℃ |
≤2.0(1100℃) |
≤3.0(1200℃ |
3.0(1250℃) |
≤1.0(1450℃) |
≤1.0(1500℃) |
≤1.0(1600℃) |
|
|
Flexural Strength(MPa) |
≥0.5 |
≥0.5 |
≥0.5 |
≥0.5 |
≥0.7 |
≥0.7 |
≥0.7 |
|
|
Lol |
≤5 |
≤5 |
≤5 |
≤5 |
≤6 |
≤6 |
≤6 |
|
|
Thermal Conductivity |
400℃ |
0.084 |
0.084 |
0.084 |
0.084 |
|
|
|
|
800℃ |
0.128 |
0.125 |
0.125 |
0.125 |
0.16 |
0.16 |
0.16 |
|
|
1000℃ |
0.176 |
0.174 |
0.174 |
0.2 |
0.21 |
0.21 |
0.21 |
|
|
|
Al₂O₃ |
45-49 |
52-55 |
54-57 |
44-48 |
72 |
78 |
83 |
|
Al₂O₃+SiO₂ |
98 |
99 |
99 |
82 |
99 |
99 |
99 |
|
|
ZrO₃ |
|
|
|
15-17 |
|
|
|
|
|
Other |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
|
Note: The technical data determined by the testing standards used will, on average, fluctuate within a certain range; the data do not represent the product quality assurance data.

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A seven-zone mesh belt furnace running at 1120 °C can hold ±3 °C across the belt and still ship parts with inconsistent hardness, because the dew point in the delubrication zone drifted after the belt speed was raised. That is the nature of powder metallurgy: the furnace is not a box that gets hot, it is a chemical reactor with a conveyor attached. The short answer: select a powder metallurgy furnace by the process window it must hold — delubrication profile, atmosphere quality, sintering tempe...




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