Mullite Bricks&Sillimanite Bricks
Product Information
Mullite bricks are a high aluminum refractory with mullite as the main crystal phase. Generally, the content of alumina is between 65% and 75%. In addition to mullite, the minerals with lower alumina content also contain a small amount of vitreous phase and cristobalite. The higher alumina content also contains a small amount of corundum.
Classification: Three Low Mullite/Sintered Mullite/Fused Mullite/Sillimanite Mullite
Fused Mullite Bricks
Sintered Mullite Bricks
Sillimanite Mullite Bricks
Sillimanite bricks are refractory bricks with good properties made from sillimanite minerals by high temperature sintering or slurry casting. Sillimanite is converted into mullite and free silica after high temperature calcination. It is generally produced by high temperature sintering and slurry casting.
Features: Good thermal stability at high temperature, resistance to glass liquid erosion, small pollution to glass liquid, and are mostly suitable for feeding channel, feeding machine, tube pulling machine and other equipment in glass industry, which can significantly improve productivity.
Products: Channel brick, flow trough, rotary pipe, feed basin, orifice ring, stirring paddle, punch, feed cylinder, fire block slag brick, damper block, arch brick, feed basin cover, through-hole brick, burner brick, beam, cover brick and other varieties and specifications.
Sillimanite Feed Cylinder
Sillimanite Orifice Ring
Sillimanite Feed Basin
Sillimanite Stirring Paddle
Sillimanite Punch
Sillimanite Accessories
Product Index
|
PRODUCT
|
Three Low Mullite
|
Sintered
Mullite
|
Sillimanite Mullite
|
Fused Mullite
|
||||
|
INDEX
|
RBTM-47
|
RBTM-65
|
RBTM-70
|
RBTM-75
|
RBTM-80
|
RBTA-60
|
RBTFM-75
|
|
|
Refractoriness(℃) ≥
|
1790
|
1790
|
1790
|
1790
|
1810
|
1790
|
1810
|
|
|
Bulk Density(g/cm3) ≥
|
2.42
|
2.45
|
2.50
|
2.60
|
2.70
|
2.48
|
2.70
|
|
|
Apparent Porosity(%) ≤
|
12
|
18
|
18
|
17
|
17
|
18
|
16
|
|
|
Cold Crushing Strength(MPa)
|
60
|
60
|
70
|
80
|
85
|
65
|
90
|
|
|
Permanent Linear Change(%)
|
1400°×2h
|
+0.1
-0.1
|
|
|
|
|
|
|
|
1500°×2h
|
|
+0.1
-0.4
|
+0.1
-0.4
|
+0.1
-0.4
|
+0.1
-0.4
|
+1
-0.2
|
±0.1
|
|
|
Refractoriness Under Load@0.2MPa(℃) ≥
|
1520
|
1580
|
1600
|
1600
|
1620
|
1600
|
1700
|
|
|
Creep Rate@0.2MPa
1200°×2h(%) ≤
|
0.1
|
―
|
―
|
―
|
―
|
―
|
―
|
|
|
Al2O3(%) ≥
|
47
|
64
|
68
|
72
|
78
|
60
|
75
|
|
|
Fe2O3(%) ≤
|
1.2
|
0.8
|
0.8
|
0.7
|
0.7
|
1.0
|
0.5
|
|
Application
Mullite Bricks:
1. Metallurgical industry: used as lining materials for blast furnaces, hot blast furnaces and other equipment.
2. Glass industry: used for glass melting furnace regenerators.
3. Ceramic industry: used for ceramic sintering kilns.
4. Petrochemical industry: used for dead-angle furnace linings in petroleum cracking systems.
Sillimanite bricks:
1. Metallurgical industry: used for high-temperature parts such as blast furnace lining and furnace throat.
2. Chemical industry: used for the molding of glass kiln flow holes, ceramic industry kiln tools, etc.
3. Building materials industry: used for refractory mud, thermal insulation refractory products, etc. for building high-temperature kilns.
Production Process
Company Profile
Shandong Robert New Material Co., Ltd. is located in Zibo City, Shandong Province, China, which is a refractory material production base. We are a modern enterprise that integrates the research and development, production, sales, kiln design and construction, technology, and export refractory materials. We have complete equipment, advanced technology, strong technical strength, excellent product quality, and good reputation. Our factory covers over 200 acres and an annual output of shaped refractory materials is approximately 30000 tons and unshaped refractory materials is 12000 tons.
Our main products of refractory materials include: alkaline refractory materials; aluminum silicon refractory materials; unshaped refractory materials; insulation thermal refractory materials; special refractory materials; functional refractory materials for continuous casting systems.
Frequently Asked Questions
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For each production process, RBT has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.
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We have been making refractory materials for more than 30 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.
