Light Weight Insulation Brick has the lowest thermal conductivity. It is used for temperatures 900°C ~ 1650°C. Light Weight Insulating Brick made according to ASTM Standard.

JM-23 Lightweight Insulation Brick
JM-23 Lightweight Insulation Brick
JM-23 Lightweight Insulation Brick

Consists of various types :

• Grade-23 for temp 1230 °C
• Grade-25 for temp 1300 °C
• Grade-26 for temp 1400 °C
• Grade-28 for temp 1500 °C
• Grade-30 for temp 1550 °C
• Grade-32 for temp 1600 °C
• AB-96 for temp 1650 °C
• AB-98 for temp 1700 °C

Product JM23 JM25 JM26 JM28 JM30 JM32 AB96 AB98
Classification Temperature (oC) 1230 1300 1400 1510 1550 1600 1650 1700
Bulk Density(Kg/m3) 600 800 800 1000 1000 1100 1350 1500
Cold Crushing Strength (Mpa) 1.2 2 2.5 3.5 3 3.5 N/A N/A
Shrinkage after Heavy Firing
JIS R2613
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 350oC (W/mK) 0.16 0.31 0.31 0.45 0.45 0.45 - -
Modulus of Thermal Expansion (%) (JIS R2617, oC) 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
Fe2O3 1.2 1.0 0.9 0.8 0.7 0.5 0.4 0.4
Mortar Mortar 1300 Mortar 1300 Mortar 1400 Mortar 1500 Mortar 1500 Mortar 1600 Mortar 1600 Mortar 1600

Standard size:

NF1 STD 230x114x65 mm, NF1-76 230x114x76 mm. ARCH 1 & WEDGE 1 230X114X65/55MM

ARCH 2 & WEDGE 2 230X114X65/45MM. SPLIT 230X114X32

For further information, you can contact our Sales Engineer, or you can contact us directly or here.