High quality lightweight heat insulating refractory bricks jm 23/26/28/30 heat insulating refractory bricks

Product Detail

color:whiteMagnesium oxide content (%):0
Origin:Henan, Chinaport:Qingdao Port, Lianyungang
Package preview:Refractoriness (degrees):Ordinary (1580°
Processing services:Bending, welding, punching, decoiling, cutting, formingOperating temperature:1260 degrees Celsius
size:230x114x65mmMaterial:Mullite
sample:provide sampleBulk density:0.5-1.0g/cm3
Silica content (%):45%Package:carton
Packaging Details:Wooden pallet + plastic wrapraw material:Alumina mullite
CaO content (%):0.01shape:brick
Al2O3 content (%):60%Cr2O content (%):0
model:Jamie 23Supply capacity:50000 pieces per month
brand:Shuo Jinapplication:industrial furnace
Aluminum oxide:35%~40%product name:Insulation brick
payment terms:L/C, Western Union, D/P, D/A, T/T, MoneyGramSilicon carbide content (%):0
jm23 heat-resistant insulation brick jm-26 lightweight mullite brick
Product Description
Mullite insulatorion brick
Mullite insulation brick is a high alumina refractory material with mullite as the main crystal phase. In general, the alumina content is between 40% and 70%. The operating temperature range is 1300°C to 1600°C. The advantage of mullite lightweight insulation bricks is that they can be exposed to flames and can be directly used as linings for high-temperature kilns. Mullite lightweight insulation brick is a refractory insulation material widely used in new industrial kilns and high temperature equipment.


Features of Mullite Insulation Bricks


low thermal conductivity
High strength, corrosion resistance
low heat capacity
low impurity content
High temperature resistance
Good insulation performance
good thermal shock resistance
lower bulk density


Mullite insulation brick application



         Metallurgical industry
          petrochemical industry
          Ceramic building materials industry
          glass industry
          Carbon industry
          Aluminum electrolysis industry
          other industry
product specification
brand
JM-23
JM-26
JM-28
JM-30
Al2O3(%)min
40
56
65
68
Fe2O3(%)≤
1
1
0.7
0.5
SiO2(%)max.
45
40
36
29
Safe use temperature(℃)max
1260
1430
1540
1650
Bulk density (g/cm3)
0.5
0.8
0.95
1.05
Bending strength (Mpa)min
0.7
1.1
1.6
2
Crushing strength (Mpa) min
1
2
2.3
2.7
Thermal conductivity (w/mk)max
600°C
0.17
0.31
0.36
0.43
800℃
0.19
0.33
0.39
0.45
1000℃
0.24
0.35
0.42
0.48
Reversible thermal expansion at 1090°C (%) max
0.5
0.6
0.8
0.9
They can be used as insulating or non-corrosive parts of the working layer. The products have been widely used in the following industries and achieved good results: Metallurgical industry:Blast furnace, hot blast furnace, heating furnace, etc.Petrochemical industry: Ethylene cracking furnace, hydrogen production furnace, primary reforming furnace, heating furnace, etc.
Ceramic industry:Roller kiln, pusher kiln, etc.Glass industry:Glass bath heat accumulator, etc.● Carbon industry:Carbon Baking Furnace, etc.● Aluminum electrolysis industry:Aluminum electrolytic cell, etc.● Other industries:Tunnel kiln, shuttle kiln, etc.
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