Specifications
DJM23
DJM25
DJM26
DJM28
DJM30
DJM32
DJM96
DJM98
Classification Temperature (°C)
1230
1300
1400
1500
1550
1600
1650
1700
Bulk Density(Kg/m³)
650
800
800
900
1000
1100
1350
1500
Shrinkage after Heavy Firing at
0.3 (1230)
0.4 (1300)
0.40 (1400)
0.6 (1500)
0.6 (1550)
0.6 (1600)
0.4 (1650)
0.3 (1700)
Pressure Strength (ASTM C93,MPa)
1.1
1.8
1.9
2.5
2.8
3.0
8.5
9.5
Tensile Strength (ASTM C93,MPa)
0.8
1.2
1.2
1.4
1.6
1.8
--
--
Thermal Conductivity at 350°C (W/mk)
0.15
0.26
0.26
0.33
0.38
0.43
--
--
Modulus of Thermal Expansion (%) (JIS R2617, °C)
0.46 (1000)
0.46 (1000)
0.47 (1000)
0.48 (1000)
0.48 (1000)
0.49 (1000)
--
--
Chemical Composition (%)
AL2O3
40
42
54
62
74
80
96
98
Chemical Composition (%)
Fe2O3
1.2
1.0
0.9
0.8
0.7
0.5
0.4
0.4
Matching Fireclay
RM-1300
RM-1300
RM-1400
RM-1500
RM-1500
RM-1600
RM-1600
RM-1600
CHARACTERISTIC

Smooth surface
Low impurity, and average bulk density
and thickness

Excellent mechanical strength and structural strength
Low thermal conductivity
Low shrinkage
Resistant airspeed eroding
FORMED SHAPE
Good stability
Low thermal conductivity
Low thermal storage
Lightweight
High plasticity to make complex shape