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Sagger / Plate

Engineering

Total support

One of our strengths is the wide range of knowledge in firing processes, which enables us to offer reliable products.

Rich variety

We offer the best material, size and shape along with specialized processing to meet our customer's demands.

Mullite・Cordierite

Mullite・Cordierite

It has high thermal-shock property, which allows high speed firing and rapid cooling. It offers high purity and porosity, and is capable of dealing with special shapes.
Alumina

Alumina

The high heat resistance characteristic makes operations in high temperature zones possible. The high bending strength is also suitable for stacking. We have extensive lineup of alumina which enables us to offer you various options
Magnesia・Zirconia

Magnesia・Zirconia

The most heat-resistant products. It has high anti-reactivity against alkaline products, offering a long operating lifetime.
SiC

SiC

Great heat-conductivity corresponds to rapid heating/cooling of products. The great bending strength is suitable for high-loading products.

Product Properties

Mullite・Cordierite
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
KR-4A Sagger, Plate 29 2.1 9 0.30 0.9 57.3 32.6 8.3 1200°C
ANC Sagger, Plate 35 1.9 13 0.23 1.2 53.9 37.0 5.6 1200°C
MT-70 Plate 30 2.1 6 0.32 0.9 60.0 35.0 3.0 1200°C
Mullite
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
NR-H Sagger, Plate 24 2.3 11 0.36 1.8 65.0 35.0 - 1200°C
P1 Plate 71 1.1 10 0.77 0.6 84.0 16 - 1200°C
Alumina
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
MY-99X Sagger, Plate <0.1 3.9 300 0.80 31 99.7 - - 1600°C
MM-8 Sagger, Plate 20 3.2 25 0.83 2.9 99.8 - - 1600°C
MM-3 Plate 25 2.8 20 0.58 2.6 91.1 8.8 - 1500°C
Spinel・Cordierite
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
MK-3AM Sagger, Plate 35 2.0 8 0.29 1.4 57.4 19.2 19.8 1200°C
MK-7-3 Sagger, Plate 25 2.6 6 0.75 1.5 69.9 4.5 24.8 1200°C
Magnesia
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
MY-PS Sagger, Plate <0.1 3.2 100 1.30 15 0.4 0.4 98.5 1600°C
MY-M99 Sagger, Plate 17 3.0 13 1.30 3.9 0.2 0.3 98.8 1600°C
Zirconia
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
TZ-Y Plate <0.1 5.6 200 1.00 3.0 ZrO2+Y2O3=99.8% 1750°C
MY-Z42 Sagger, Plate 20 4.5 15 0.58 0.8 ZrO2+CaO=99.0% 1750°C
SiC
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
HE-902 Plate <0.1 3.1 450 0.44 180 SiC=98.0% 1450°C
KM-8 Sagger, Plate 23 2.4 79 0.43 154 SiC=99% 1350°C
Carbon
  Porosity
(%)
Bulk
Density
(g/cm3)
Bending
Strength
(MPa)
Thermal
Expansion(%)
at 1000°C
Thermal
Conductivity
(W/mK)
Chemical
Components(%)
Max. working
Temperature
(°C)
Al2O3 SiO2 MgO
MY-C1 Sagger, Plate 15 1.7 14 0.3 150 C=99.0% -

*Maximum working temperature depends on the processing objects and conditions.
(Grades other than listed above are also available.)