Zhengzhou Rongsheng Refractory Co., Ltd.
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China,Zhengzhou ,Henan
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Verified Supplier
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- Jm23 Jm26 Mullite Refractory Bricks K23 K26 Mullite Insulating Fire Brick For
- Product Details
- Company Details
Product Specification
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| 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 ℃ |
Brand Name |
RONGSHENG |
| Certification |
ISO9001 |
Place of Origin |
Henan, China |
| High Light |
K23 mullite refractory bricks
，hot blast furnace mullite refractory bricks
，K26 mullite refractory bricks
|
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.
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Item/Index
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RS23
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RS26
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RS28
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RS30
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RS32
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Al2O3 %
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37
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54
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64
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72
|
77
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Fe2O3 %
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1
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0.9
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0.8
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0.7
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0.5
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Thermal Conductivity (w/m*k)
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400℃
|
0.14
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0.27
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0.32
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0.41
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0.49
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600℃
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0.16
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0.29
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0.34
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0.43
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0.5
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800℃
|
0.18
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0.31
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0.36
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0.44
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0.51
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1000℃
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0.2
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0.33
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0.38
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0.45
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0.53
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Classification Temperature (℃)
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1260
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1430
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1540
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1650
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1760
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Thermal Expansion 1000℃ (%)
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0.5
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0.7
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0.8
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0.9
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1.1
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Bulk Density (g/cm3)
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0.55-0.62
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0.78-0.8
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0.88
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1.03
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1.25
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Cold Crushing Strength (Mpa)
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1.2
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1.6
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2.1
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2.5
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3.5
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Modulus of Rupture (Mpa)
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0.9
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1.4
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1.6
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2.1
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2.1
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Reheating Linear Change (%)
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1230℃
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1400℃
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1510℃
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1620℃
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1730℃
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CT-30℃*8H
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-0.5
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-0.5
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-0.5
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-0.9
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-0.9
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Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
-
Business Type:
Manufacturer
-
-
Total Annual:
20000000-50000000
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Employee Number:
101~150
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Ecer Certification：
Verified Supplier
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