Factory Supply Basic Refractory Brick Dolomite Fire Brick for Tunnel Kiln
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| Customization: | Available |
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| Classification: | Magnesia Dolomite Bricks, Magnesia Calcium Brick |
| Refractoriness (℃): | 1580< Refractoriness< 1770, 1580< Refractoriness< 1770 |
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Basic Info.
- Model NO.
- JUCOS
- Shape
- Brick, Brick
- Feature
- Long Time Materials
- Type
- Refractory Material
- Material
- Dolomite
- Cao
- 17%
- MGO
- 80.3%
- Application Limit Temp
- 1700c
- Cold Crushing Strength
- 80MPa
- Transport Package
- Export Pallet
- Specification
- customized
- Trademark
- jucos
- Origin
- China
- HS Code
- 6902200000
- Production Capacity
- 50000 Tons/Year
Product Description
Magnesia Dolomite bricks are made from qualified magnesite and dolomite as the raw materials that are processed through secondary-burning (calcinations, fine grinding, briquetting, dead burned). The MGO/CaO ratio is taken as the kind of Mag-dolomite brick or unshaped monolithics in accordance with customers requirement. Pitch or paraffin impregnation pressed by vacuum is needed after burned under high temperature. They have the features of high temperature performance and resistance to slag and widely used in the secondary refining vessels as VOD, AOD; Permanent linings or bottom of converter; Ladle and also the cement kiln.
Features Of Magnesia Magnesia Dolomite Bricks
Good thermal shock resistance performance
Excellent resistance in slag abrasion
Good cold crush strength
Higher temperate resistant with good refractoriness
low creep and better flaking resistant.Good
Applications Of Magnesia Dolomite Bricks
Mainly used for steel refining furnaces like AOD,VOD furnace
Specifications Of xxx
Mgo and CaO content
Widely used throughout steel refining furnaces like AOD,VOD furnace
Physical And Chemical Indicators For Magnesia Dolomite Bricks
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Properties Brand |
MD15 |
MD20 |
MD25 |
MD30 |
MD40 |
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Bulk Density (g/cm3) |
3.03 |
3.03 |
3.03 |
3.03 |
3.0 |
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Apparent Porosity (%) |
13 |
12 |
12 |
13 |
13 |
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Cold Crushing Strength (MPa) |
80 |
90 |
80 |
80 |
80 |
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@ 1,500ºC x 2hrs Permanent Linear Change (%) |
-- |
-0.35 |
-- |
-0.61 |
-- |
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@0.2MPa Refractoriness Under Load (ºC) |
1700 |
1700 |
1700 |
1700 |
1700 |
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Chemical Composition (%) |
MgO |
80.3 |
76.3 |
70.3 |
66.3 |
56.3 |
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CaO |
17 |
21 |
27 |
31 |
41.0 |
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Al2O3 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
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Fe2O3 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
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SiO2 |
1.3 |
1.3 |
1.3 |
1.3 |
1.2 |
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Pictures Of Magnesia Dolomite Brick
Q1 : How can you control your quality?
A1 : For each production processing, JUCOS have complete QC system for the chemical
composition and Physical properties. After production, all the goods will be tested, and
the quality certificate will be shipped along with goods.
Q2: Are you a manufacture or trader?
A2: We are truly a manufacturer, we not only can provide the high quality products with the
best price, but also can offer the best pre-sale service and after-service.
Q3 : Do you provide free samples?
A3 : Of course, free samples are available.
Q4 : What is your lead time?
A4 : It usually needs about 15- 20 days after receiving the PO.
Q5 : Can we visit your company?
A5 : Yes, for sure, you are welcome to visit JUCOS company and our products.
Also, we can talk more about the technique details if you need.
Q6 : What is the warranty of your products?
A6 : Our products have at least 1 year warranty,if any quality problems,
we will take responsibility of the cost of the shipment and the replacement.
Q7: What's the MOQ of trial order?
A7 : No limit, we can offer the best suggestions and solutions according to your condition.
Q8: Why choose us?
A8: We had been in this line for more than 25 years, we can not only provide you high
quality products with competitive price, but also we can supply good technique service
which can help you solve problems.
Q9 : What standards do you have?
A9 : Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc.
The third party testing is all available for us.
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