Mgo Magnesia Fire Refractory Brick For Cement kiln
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3000 pc
- Supply Capability:
- 50000 pc/month
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Mgo Magnesia Fire Refractory Brick For Cement kiln
Magnesia Brick Features:
1. High refractoriness, multiply mineral composition;
2. Good thermal conductivity, strong slag erosion resistance.
product Index | unit | magnesia brick | magnesia-alumina brick | magnesia zircon brick | magnesite-chrome brick | |||||||
MZ-92 | MZ-95 | MZ-97 | MZ-80A | MZ-80B | MG-1 | MG-2 | MGZ-12 | MGZ-9 | MGZ-6 | MGZ-4 | ||
MgO ≥ | % | 92 | 95 | 97 | 80 | 80 | 73 | 77 | 60 | 70 | 75 | 80 |
CaO ≤ | % | 2.5 | 2.0 | 2.0 | — | — | — | — | — | — | — | — |
Al2O3 ≥ | % | — | — | — | 5-10 | 5-10 | — | — | — | — | — | — |
SiO2 ≤ | % | 4.0 | 2.0 | 1.0 | — | — | — | — | 3.2 | 3.0 | 2.8 | 2.5 |
ZrO2 ≥ | % | — | — | — | — | — | 12 | 12 | — | — | — | — |
Cr2O3 ≥ | % | — | — | — | — | — | — | — | 12 | 9 | 6 | 4 |
Apparent porosity≤ | % | 18 | 18 | 18 | 18 | 20 | 18 | 16 | 19 | 19 | 18 | 18 |
Cold crushing strength MPa≥ | Mpa | 60 | 60 | 60 | 40 | 30 | 65 | 70 | 35 | 40 | 40 | 40 |
0.2MpaRefractoriness under loads≥ | ℃ | 1600 | 1600 | 1700 | 1600 | 1580 | 1600 | 1660 | 1580 | 1600 | 1600 | 1600 |
linear changes on reheating 1650℃x2h | % | +0 -0.5 | +0 -0.3 | +0 -0.2 | — | — | — | — | — | — | — | — |
Bulk density ≥ | g/cm3 | 2.88 | 2.9 | 3.0 | 2.8 | 2.8 | 3.0 | 3.1 | 3.0 | 2.98 | 2.95 | 2.93 |
Production & Quality
1.Production Process
Crushing→Mixing→Shaping→Drying→Firing→Inspection→Packing shipment
2.Quality Control
a.According to the chemical content,raw materials are classified into different levels to ensure quality of brick first.
b.During the production,every brick will be weighed twice strictly to reduce the error of weight .
c.Before delivery, the inspectors will inspect the size,appearance,physical and chemical properties of brick again in factory.
F&A
Q1.Are you a manufacture or trader?
A:To be honest we are a trader,but we have stable cooperation factories.And we can supply good pre-sale service, after-sales service.
Q2.Can we visit your company?
A:Sure,welcome at any time,seeing is believing.
Q3. Do you provide samples?
Yes, samples are available.
Q4. Do you accept OEM?
Yes, we can do OEM.
Q5.What's the MOQ of trial order?
A:No limit,We can offer the best suggestions and solutions according to your condition.
Q6.What are the payment terms?
Usually T/T,but L/C,Western Union etc are available for us.
Q7. How long is delivery time?
The delivery time will be determined according to the quantity of the order.
Q8.How are your products’ quality?
The products will be strictly inspected before shipment, so the quality could be guaranteed.
Q9.How to slove the quality problems?
A:If the products are not confirmed to customer samples or have quality problems,our compay will be responsible to make compensation for it.
Q10.What is the service life of your bricks?
A:The service life of different bricks is unlike.It also depends on your using condition and method.
Q11.How about your company's certification?
A:ISO9001 and Test Report,also we could apply other necessary certification.
- Q:High alumina brick 80 with which high aluminum cement?
- Which kind should be chosen should be determined according to the conditions of use, life expectancy and cost control. By the way, the quality of masonry is also very influential.
- Q:What is the difference between T3 refractory bricks and high alumina refractory bricks?
- High aluminum refractory brick brick is all in one type of material classification, the material is AL2O3 high bauxite content above 55%, refractory brick by material into clay bricks, high aluminum brick brick brick corundum brick
- Q:What is the difference between corundum and high alumina??
- The difference between them lies in the content of alumina and the alumina refractory products with alumina content higher than 48%The content of Al2O3 is higher than 90%, which is called corundum brick.
- Q:What is the difference between fireclay bricks and high alumina refractory bricks?
- High R.U.L, low creep high alumina brick [1] is using high grade bauxite, fused corundum, fused mullite as main raw material of high-grade refractory materials. The product has the advantages of high temperature, little creep, strong corrosion resistance and good thermal shock resistance, and is suitable for large and medium-sized hot blast stoves.
- Q:What materials are used for roof insulation?
- The other one is inorganic insulation materials, such as Portland, rare earth insulation, the thickness should be 5 cm or more, up to the high cost of auxiliary materials of construction, to reinforce, new inorganic insulation material, the material thickness, on the line of 2-3 cm, direct smear on the top of the house, without auxiliary material, than the price of wool, high aluminum silicate cotton.
- Q:Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?
- The super high alumina brick in high alumina refractory brick has the highest refractoriness, and the corresponding production cost is higher.
- Q:The difference between ordinary and diatomite brick refractory brick
- Insulation products made from diatomaceous brick and porous diatomite. The main raw material is natural porous diatomite, and then a small amount of clay and fuel are added. The volume density of diatomite brick was 0.7g/cm3, compressive strength at room temperature is 1 ~ 2MPa, the coefficient of thermal conductivity at 400 C for 0.13 ~ 0.20W/ (M - K), the apparent porosity is greater than 70%, the coefficient of thermal expansion (1280 degrees) 0.9 x 10 - 6 DEG -1, refractoriness is greater than 1250 DEG C. Mainly used in industrial kilns and other thermal equipment, thermal pipes insulation materials, generally withstand the hot surface temperature of about 1000 degrees celsius. Mainly used in industrial kilns and other thermal equipment, thermal pipes insulation materials, generally withstand the hot surface temperature of about 1000 degrees celsius.
- Q:What's the difference between high alumina refractory bricks and high alumina refractory bricks?
- The chemical pH value of high alumina refractory brick belongs to neutral and alkaline refractory brick, and clay refractory brick belongs to neutral and acid refractory brick.
- Q:What should be used as binder for making high alumina bricks?
- Bond for making high alumina brick: soft clay has good plasticity, so the high alumina brick is usually made of soft clay as bond. However, the free Al2O3 free SiO2 and bauxite clinker clay in under 1200 degrees occurred two times of Mullization reaction, generate large volume expansion, silicon porosity, strength reduction. Therefore, the amount of clay powder in the ingredient should be no more than 5%.
- Q:How high can aluminum bricks expand at 80O degrees of heat?
- The expansion of high alumina brick is not only related to temperature, but also related to its material composition. The refractory temperature of high alumina brick is above 1770 centigrade. The temperature of 800 DEG C has little influence on the expansion of high alumina brick.
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Mgo Magnesia Fire Refractory Brick For Cement kiln
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3000 pc
- Supply Capability:
- 50000 pc/month
OKorder Service Pledge
OKorder Financial Service
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