Feature: | Good Acid Resistance, High Refractoriness, Low Thermal Conductivity, Permeability, Thermal Shock Resistance, Volume Stability |
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Production Process: | Vibration Molding |
Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Material | Component % | Temperature in common use °C | Characteristic |
Recrystallized SiC | SiC 98 | 1400 | Good gas tightness,heat-resisting,strong concussion,excellent wear-resistantance.in the atmosphere of oxidation and reducing property,can be used to 1600°C. |
Properites | Units | Silicon carbide Material | ||||
Type | SiC | SiSiC | NSiC | RSiC | ||
Chemical composition | SiC% | 89 | 87 | 92 | 70 | 99 |
SiO2 % | 5 | 6 | - | Si3N4 28 | - | |
Al2O3% | 1.0 | 2.0 | - | - | - | |
Bulk Desity | g/cm3 | 2.85 | 2.8 | 3.01 | 2.8 | 2.75 |
Apparent porosity | % | 12 | 14 | 0.1 | 12 | 14 |
M.O.R.@20ºC | MPa | 50 | 48 | 260 | 180 | 100 |
M.O.R.@1300ºC | MPa | 58 | 56 | 280 | 185 | 120 |
C.T.E.@20ºC-1000ºC | 10-6K-1 | 4.8 | 4.2 | 4.5 | 4.7 | 4.6 |
C.C.S | MPa | 100 | 90 | 900 | 500 | 300 |
Thermal shock resistance | 1 | 5 | 5 | 5 | 5 | 5 |
Max working temperature | ºC | 1450 | 1420 | 1300 | 1500 | 1650 |
application | Used in ceramic shuttle kiln, tunnel kiln and roller kiln,Kiln furniture. |
Chemical Index | Silicon Carbide Pipe |
Bulk density(g/cm3) | Porosity (%) |
Porosity (%) | <0.1 |
Bending strength(MPa) | 250(20ºC) |
280(1200ºC) | |
Thermal conductivity(W/MK) | 45(1200ºC) |
Thermal expansion(20-1000ºC) 10-6k-1 | 4.5 |
Max. working temperature(ºC) | 1380 |
PH Resistance | EXCELLENT |
Moh's scale of thermal expansion | 13 |
OD(mm) | ID(mm) | Length(mm) |
16 | 8 | 300-600 |
22 | 12 | 300-800 |
28 | 16 | 300-1200 |
30 | 18 | 300-1000 |
45 | 25 | 300-1000 |
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