Corundum Bricks for Industrial Kilns
- Ref Price:
-
$50.00 - 60.00
/ m.t.
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 5000 m.t./month
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Corundum Bricks for Industrial Kilns
Composite of Corundum Bricks
Corundum bricks use compact electro-smelted corundum and alumina powder as main raw materials, shaped under high pressure after machine-blending and fired at high temperature.
Main Features of Corundum Bricks
Low porosity
High compressive strength
Good chemical stability
Application of Corundum Bricks
Linings of high-temp industrial kilns and furnaces
Corundum Bricks Images
Specification of Corundum Bricks
ITEM | GY-90 | GY-94 | GY-98 |
Al2O3, % | ≥90 | ≥94 | ≥98 |
Fe2O3, % | ≤1 | ≤1 | ≤0.3 |
Refractoriness, ℃ | ≥1790 | ≥1790 | ≥1790 |
Bulk Density, g/cm3 | ≥2.95 | ≥3.1 | ≥3.1 |
Apparent Porosity, % | ≤16 | ≤16 | ≤20 |
Cold Crushing Strength, Mpa | ≥80 | ≥80 | ≥60 |
Refractoriness Under Load (T0.6), ℃ | ≥1620 | ≥1650 | ≥1700 |
Permanent Lineat Change, % | 1500℃×3h,±0.2 | - | 1500℃×3h,±0.1 |
FAQ of Corundum Bricks
Q1:Are you a manufacture or trader?
A:Factory+trade(mainly factories, at the same time, we operates other related products).
Q2:Can we visit your factory?
A:Sure,welcome at any time, seeing is believing.
Q3:What's the MOQ of trial order?
A:No limit, We can offer the best suggestions and solutions according to your condition.
Q4:Which payment terms can you accept?
A:T/T,L/C are available for us.
Q5:After an order is confirmed, when to deliver?
A:15-25days after deposit.
Q6:Is your company accept customization?
A:We have own factory and excellent technical team, and we accept OEM service.
- Q:Zirconium corundum 25 content and 40 content, how to distinguish in appearance?
- The fused zirconia corundum brick is mainly made of fused zirconia and corundum. ZrO2-Al2O3-SiO2 three element system fused brick, containing Al2O3:40% to 50%, ZrO2:30% to 50%, SiO2:10% to 17%.From the point of view of data analysis, there is no radioactive substance in it, and it will not cause harm to the human body.
- Q:How to improve the induction furnace campaign, from the promotion of refractory life start
- Select suitable insulation materials, such as polycrystalline facing blocks and ceramic fiber modules, depending on the service temperature
- Q:Expansion ratio of lightweight corundum refractory bricks
- Now with the production of lightweight foam corundum brick, basically still meters with molding casting, moulding after together with die in the drying room drying in 60~70 C 4 days of release, then the appropriate drying, finally after 1300 and 1550 C firing, the total burning time: 50~60h. Light corundum brick after firing is usually not the size and shape of accurate, so that products after the kiln to mechanical or manual cutting, can be made into a density of 0.8 - 1.3g/cm3, 4MPa compressive strength and porosity, the thermal conductivity of 70%~80% 0.17W/ (M - K), light-weight corundum brick use temperature of 1500~1700 DEG C.
- Q:Can the PE sintering plate dust collector be suitable for dust removal in the coking plant?
- The sinter plate dust collector is also called plastic plate dust collector. The utility model has the advantages that the utility model can adapt to various complicated working conditions, the dust removal rate is 99.99%, the utility model has the advantages of long service life, stable operation, high temperature resistance, and the utility model is a leading dedusting equipment in china.
- Q:High temperature refractory material?
- Now the definition of refractory materials, has not only depends on whether the refractoriness at 1580 DEG. Refers to the current refractories used in metallurgy, petrochemical, cement, ceramics and other production equipment with inorganic non-metallic materials.
- Q:What problems should we pay attention to in the use of fused zirconia corundum brick (fused zirconia corundum brick) in glass furnace?
- Casting, casting mouth often appear shrinkage, brick porosity more, the density is lower, so in the brick wall of glass melting, the shrinkage in the kiln direction, if the nozzle outward, when the brick to erosion is very thin, can cause leakage of liquid glass accident. When the flame space is used in the upper part of the bath furnace, the service life is long, and the glass liquid problem can not happen, so the casting mouth is used outwards, and the service life is prolonged.
- Q:Can the fire clay be reused?
- Refractory soil cannot be reused.Clay refractory soil 1, characteristics and uses: Clay refractory brick is a weak acid refractory material, its thermal stability is good, suitable for hot air furnace, all kinds of boiler lining, and flue, smoke room, etc.. 2, product specifications form: standard shape, general, special-shaped and special-shaped brick. Physical and chemical properties of fireclay bricks.
- Q:Application of electric high temperature regulating valve?
- Acid refractory with silicon oxide (SiO2) as the main ingredient, commonly used are silica brick and clay. Brick is siliceous products containing more than 93% SiO2, the use of raw materials with silica, silica and other waste. The silica acid slag erosion ability is strong, but vulnerable to the erosion of basic slag, its softening temperature is very high, close to the fire, the volume does not shrink after repeated burning, or even a slight swelling, but the thermal shock stability. The brick is mainly used for thermal equipment of coke oven, glass furnace, furnace and other acidic silica brick, according to the physicochemical indexes and SiO2 content can be divided into several levels, mainly used in glass furnace and coke oven silica brick for two categories. Clay brick with refractory clay or bauxite clinker as main raw material, containing 30% to 46% of alumina, refractory degrees 1580 to 1770 DEG C, weak acid refractory material, heat shock resistance, resistance to acid slag, widely used in refractory clay brick clay as main raw material is called common clay brick that made pyrojewel clinker as the main raw material, the porosity in the clay brick below 17% is called low porosity clay brick. Two kinds of clay bricks are divided into several grades according to the physical and chemical indexes. The price difference between the ordinary clay bricks and the low porosity clay bricks is great.
- Q:Ask for help about the phase of refractory material
- Major crystalline phase. The main crystalline phase is a crystalline phase that constitutes the principal part of the material structure and has a high melting point and a dominant role in the properties of the material. The properties, quantities, distribution and bonding state of the main crystalline phases of refractory determine the properties of the products directly. A lot of refractory products, such as mullite brick, corundum brick, magnesia brick, magnesia spinel brick, silicon carbide refractory products, etc., are the main phase named.
- Q:How much is a thermal brick?
- Insulation brick prices also have a great relationship with the material and workmanship, such as clay brick price is much lower than high alumina brick, mullite and corundum brick prices will be higher.
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Send your message to us
Corundum Bricks for Industrial Kilns
- Ref Price:
-
$50.00 - 60.00
/ m.t.
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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