High Alumina Insulating Fire Brick for Hot Furnace
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- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 kg
- Supply Capability:
- 10000 kg/month
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Advantage:
Good spalling resistance and wear resistance.
Good thermal shock resistance.
High mechanical strength.
High-temperature creep rate is low.
Good volume stability at high temperature
Excellent strength at ambient and elevated temperatures
High compressive strength
Every brick ground to precise dimensions
Very low levels of iron and other impurities
Lightweight and energy-efficient
Lower heat storage than denser refractories
Heats quickly and economically to operating temperature
Cools fast to speed periodic operations.
Item | SK-32 | SK-34 | SK-36 | SK-37 | SK-38 |
AI2O3(%) | 38 | 42 | 58 | 65 | 70 |
Fe2O3 (%) | 2 | 2 | 2 | 2 | 2 |
Refractoriness (SK) | 32 | 34 | 36 | 37 | 38 |
Porosity (%) | 25 | 24 | 23 | 23 | 22 |
Bulk density (g/cm³) | 2.0 | 2.1-2.15 | 2.2-2.3 | 2.35 | 2.45 |
Cold crushing strength (MPa) | 23 | 25 | 40 | 45 | 50 |
we use the molds casting from natural stone.
we use Genman Pigments .
Through the test, make the stone with high strength and more lighter weight .
Freeze Resistance: our products pass the 136th freeze thaw cycle testing without obvious change
Usage:
Glass Industries
Ceramics Industries
Electrolytic Aluminum Industries
Iron & Steel Industries
Non-Ferrous Metals Industries
Power Generation Industries
- Q:How to reduce porosity of high alumina brick
- In order to reduce the porosity of high alumina brick, the corresponding measures should be taken from the selection of raw materials, batching, mixing, molding and firing.The water absorption rate of the first grade high alumina bauxite clinker should be less than 5%, and the water absorption rate of two grade high alumina material should be less than 7%. Fine grinding of soft clay and bauxite clinker with less than 4% water content. Mixed fine milling ingredients with this, can reduce the porosity of bricks.
- Q:High alumina brick 80 with which high aluminum cement?
- In order to maintain a reasonable comprehensive lining, should adopt high quality aluminum refractory mud, such as Sichuan resistance card phosphate refractory mud, refractory clay, high alumina refractory mud PA-80 LN-75, if you use the card volume of Sichuan resistant refractory clay masonry, the effect is better.
- Q:What is fireproof concrete?
- Silicate fireproof heat-resistant concrete using temperature can reach 700 DEG ~800 DEG, the main mechanism of its heat is dehydrated calcium hydroxide silicate hydrates series of cement clinker under high temperature, the calcium oxide and slag and mixing activated silica material in the three and two aluminum oxide and the reaction of anhydrous calcium silicate and anhydrous aluminum acid calcium has strong heat resistance, the fire resistance of concrete is a certain. Such as the use of high alumina bauxite and broken bricks, magnesia brick and magnesia for fireproof heat-resistant concrete materials with the highest using temperature can reach 1100 DEG C.
- Q:How are the grades of high alumina bricks differentiated?
- High alumina brick: aluminium silicate refractory product with a content of three Al2O3 (two) and more than 48%
- Q:How to test the aluminium bricks of high alumina refractory bricks?
- Forming high alumina brick will be tested on some professional equipment, it is suggested that you can go to the professional testing department to know about it!
- Q:How to distinguish the good or bad of the high aluminum brick?
- Weigh the weight of the next block. According to the weight standard, a high alumina brick is 3.9 kg in weight, two in high alumina brick, three in high aluminium brick and 4.5 kg in 4.2. The same grade, the same type of high alumina brick, if the weight of a single brick to this standard, but for high quality high alumina brick, otherwise, can not reach such a weight, it shows good quality. If there is a crack, a large piece of broken angle, four sides of inequality, it is for substandard products.
- Q:What are the high aluminum bricks made of?
- It's OK to use corundum bricks and alumina hollow ball bricks to build a furnace,
- 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:The difference between clay bricks and clay bricks
- Clay brick is a small building with artificial bulk. Also called sintered brick. Solid clay brick is one of the oldest building materials in the world. It is a building material that is loved by the people.
- Q:Use of high alumina refractory bricks?
- Because of the high Al2O3 high aluminum products, low impurity content, the formation of fusible vitreous body less so than the clay brick high load softening temperature, but because mullite crystallization has not formed the network organization, so the load softening temperature is not high silica brick.
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High Alumina Insulating Fire Brick for Hot Furnace
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 kg
- Supply Capability:
- 10000 kg/month
OKorder Service Pledge
OKorder Financial Service
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