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Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For Hot Blast Furnace

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Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For Hot Blast Furnace

Brand Name : RONGSHENG

Certification : ISO9001

Place of Origin : Henan, China

MOQ : 400 rolls

Compressive Strength : ≥70MPa

Rervice Temperature : 1550

Refractoriness : ≥1790℃

Origin : Xinmi

Usage : Glass furnace,steel converter .etc

Thermal Shock Resistance : ≥20 times

Product : Mullite Insulation Brick

Chemical Composition : Al2O3≥70%, SiO2≤30%

Water Absorption : ≤1%

Certificates : ISO9001 CE

Service : Customized service

Cold Compressive : 1.2-2.5 Mpa

Acid Resistance : Excellent

Application : High Temperature Furnace Lining

Thermal Expansion : 0.5-0.9% under 1000 ℃

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Overview
Products Description
Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For Hot Blast Furnace
Mullite Insulating Brick Description : Mullite bricks are high alumina refractories with mullite as the main crystal phase. Generally, the alumina content is between 65% and 75%, and the refractory of mullite brick is relatively high, reaching above 1790 ℃. The starting temperature of load softening is 1600 ~ 1700 ℃. Good thermal shock resistance. There are two kinds of sintered mullite bricks and fused mullite bricks.Standard size 230 x 114 x 65 mm or according to customer requirements.
Characteristics of Mullite Insulation Bricks
1. Mullite insulation bricks have high fire resistance and can be directly exposed to flames.
2. Mullite fire bricks have the characteristics of light weight, high strength, low thermal conductivity and good thermal shock resistance.
3. Mullite bricks have the advantages of high porosity, small bulk density, good thermal insulation effect, and long service life.
4. Mullite refractory bricks are important energy-saving, thermal insulation and refractory materials for various industrial kilns.
Product Advantage
Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For Hot Blast Furnace
Product Parameters
Mullite Insulation Brick
Item/Index
RS23
RS26
RS28
RS30
RS32
Al2O3 %
37
54
64
72
77
Fe2O3 %
1
0.9
0.8
0.7
0.5
Thermal Conductivity (w/m*k)
400℃
0.14
0.27
0.32
0.41
0.49
600℃
0.16
0.29
0.34
0.43
0.5
800℃
0.18
0.31
0.36
0.44
0.51
1000℃
0.2
0.33
0.38
0.45
0.53
Classification Temperature (℃)
1260
1430
1540
1650
1760
Thermal Expansion 1000℃ (%)
0.5
0.7
0.8
0.9
1.1
Bulk Density (g/cm3)
0.55-0.62
0.78-0.8
0.88
1.03
1.25
Cold Crushing Strength (Mpa)
1.2
1.6
2.1
2.5
3.5
Modulus of Rupture (Mpa)
0.9
1.4
1.6
2.1
2.1
Reheating Linear Change (%)
1230℃
1400℃
1510℃
1620℃
1730℃
CT-30℃*8H
-0.5
-0.5
-0.5
-0.9
-0.9
Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For Hot Blast Furnace
Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For Hot Blast Furnace
Product Application
Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For Hot Blast Furnace

Product Tags:

K23 mullite refractory bricks

      

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