High alumina shaped refractory bricks
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 111 m.t./month
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Specifications
high alumina shaped refractory bricks,ISO
High strength
Good corrosion resist
Good thermal conductivity
Good performance
High alumina shaped refractory bricks produced from he high qualiy bauxite,have passed the ISO international certified.
advantages
High strength;
Good performance in high temperature;
Good corrosion resistance;
Good erosion resistance;
Good thermal shock resistance;
Good thermal conductivity;
And so on.
applications
Being widely used for blast furnace,hot-blast furnace,cement furnace and glass furnace in chemical,metaland ceramic industries.
Items | Index | |||||
LZ80 | LZ75 | LZ65 | LZ55 | LZ48 | ||
Al2O3% ≥ | 80 | 75 | 65 | 55 | 48 | |
0.2Mpa RUL ≥ | 1530 | 1520 | 1500 | 1450 | 1420 | |
PLC%
| 1500°,2h | +0.1~ -0.4 | ||||
1450°,2h | +0.1~-0.4 | |||||
AP% ≤ | 22 | 23 | 23 | 22 | 22 | |
Mpa CCS ≥ | 55 | 50 | 45 | 40 | 35 |
Items | For blast furnace | For hot-blast furnace | |||||
GL-65 | GL-55 | GL-48 | RL-65 | RL-55 | RL-48 | ||
Al2O3%≥ | 65 | 55 | 48 | 65 | 55 | 48 | |
Fe2O3%≤ | 2.0 | ||||||
Refractoriness≥ | 180CN | 178CN | 176CN | 1780° | 1760° | 1740° | |
0.2Mpa RUL °≥ | 1500 | 1480 | 1450 | 1500 | 1470 | 1420 | |
PLC%
| 1500°,2h | 0~ -0.2 | 0.1~-0.4 | ||||
1450°, 2h | 0~-0.2 | 0.1~-0.4 | |||||
AP%≤ | 19 | 18 | 22 | ||||
Mpa CCS≥ | 58.8 | 49.0 | 50 | 45 | 40 |
- Q:How much is the bending temperature aluminum silicon carbide brick for torpedo car
- 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: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: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.
- Q:What is the difference between metal compounds and metal solid solutions?
- Sigma phase belongs to Affirmative system, there are 30 atoms in the unit cell, two element alloy, sigma phase formation is related with the following conditions: (1) the atomic size difference, phase difference between the maximum sigma atomic radius of a tungsten cobalt, the atomic radius difference is 12%. (2) there is a set of cubic lattice elements (coordination number 8), and another component is face centered cubic or dense six square lattice (coordination number is 12). (3) appear in "average number of races" (s+d layer electron number) in the range of 5.7 ~ 7.5. The region of the presence of sigma in the two - element alloy is shown in table 3. In the three element system, the concentration and temperature range of the formation of the sigma phase are affected by the addition of third components. Usually in chromium stainless steel in Fe Cr phase, in Fe - Cr - Mn three yuan, sigma phase iron chromium and chromium can form Mn two element, when the addition of manganese in stainless steel, will promote the formation of sigma phase, and stabilizes the wide temperature range. Many of the Fe Cr alloy elements. The phase temperature range increases. In less than 820C stable Fe Cr phase, silicon promotes the formation of D phase and the stable temperature increased to 900 to 960 DEG C, manganese and molybdenum can improve the temperature stability of sigma phase to 1000 DEG C.
- 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.
- Q:What are the categories of bricks?
- Ordinary brick size of 240 mm * 115 mm * 53 mm, according to compressive strength (Newton / square millimeter, N / mm2) size is divided into MU30, MU25, MU20, MU15, MU10, MU7.5, these intensity levels.
- Q:What kind of material is the general metal case?
- We usually discuss the electromagnetic radiation of computer enclosures, mainly RF radiation, followed by MF leakage.Switch signal of RF radiation from computer high-speed leakage, such as one of the energy radiation is CPU frequency, graphics, display output line, keyboard, is the source of the operating characteristics of the computer leaked out, is also the main part of computer security.For the absorption of radio frequency radiation, the best is the use of copper materials, the use of other metals can also, thickness enough on the line.The most vulgar description is that people can sit in the case is a good thing.
- Q:What is the apparent porosity of high alumina brick?
- Total porosity is porosity refers to the total volume of sample porosity in the percentage of total volume of samples. Apparent porosity refers to the percentage of the total volume of openings, pores, and total specimens in the sample.
- Q:Can high alumina brick resist carburizing?
- It is heavy brick mullite brick, brick to do the heavy weight to more than 2.4 manufacturers can achieve a few feeling
- Q:Is glass wool inorganic thermal insulation material?
- Yes, glass wool belongs to one kind of glass fiber. It is a kind of man-made inorganic fiber. Therefore, in the field of thermal insulation materials classified as inorganic insulation materials.
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High alumina shaped refractory bricks
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 111 m.t./month
OKorder Service Pledge
OKorder Financial Service
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