Product Details
LZ55 LZ65 LZ75 High Alumina Refractory Brick Forming By Pressing
Description:
high alumina brick
Feature:
1.bricks are made from high quality bauxite
2. dry pressed
3. burned under tunnel kiln
4. accurate dimension
5. high strength
Product specification:
standard form, normal standard, shaped and special shaped
bricks.Can be used in various kilns because of its cheapness and
general tray package. Among all of the refractory materials, it is
the mostly used in the key positions.Molding method: it has down
draft kiln and tunnel kiln and the general sintering temperature is
1360-1480 degrees. It is a kind of aluminosilicate refractory
product which aluminum oxide (Al2O3) content is higher than 48%.
Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
Specifications:
High aluminum refractory bricks physiochemical index
Item | Properties |
LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-48 |
Al2O3,% | 80 | ≥75 | ≥65 | ≥55 | ≥48 |
Refractoriness°C | ≥1790 | ≥1790 | ≥1790 | ≥1770 | ≥1750 |
Bulk density,g/cm3 | 2.65 | 2.5 | 2.45 | 2.4 | 2.3 |
Softening temperature under load | 1530 | ≥1520 | ≥1500 | ≥1470 | ≥1420 |
Permanent linear change,% | 1500°CX2H | +0.1 -0.4 | +0.1 -0.4 | +0.1 -0.4 | +0.1 -0.4 |
|
1450°CX2H |
|
|
|
| +0.1 -0.4 |
Apparent porosity,% | 22 | ≤23 | ≤23 | ≤22 | ≤22 |
Cold Crushing strength Mpa | 55 | ≥50 | ≥45 | ≥40 | ≥35 |
Application | All industrial furnace |
Company Profile
Zhengzhou Rongsheng Refractory Material Co., Ltd. is located in the
hinterland of Central Plains, at the foot of Songshan Mountain, and
adjacent to Zhengshao Highway, Longhai and Jingguang railways. The
convenient transportation, abundant resources and high quality
minerals provide favorable conditions for the production of
refractory materials.
Established in the early 90s of twenty century, with continuous
innovation and development, now we are a comprehensive enterprise
in refractory material industry, covering metallurgy, building
materials, electric power, chemical industry,etc.
Our main products: refractory material for industrial furnaces,
such as high-alumina brick, clay brick, silicon brick,
high-strength diatomite brick, light weight insulation brick, low
iron mullite brick, etc.; anti-stripping alumina brick, alkali
proof brick, phosphate brick for cement industry; For the
industrial furnace and power boiler, we can provide abrasive brick,
corundum brick, mullite brick, wear resistant castable, corundum
castable, high strength low cement castable, impervious material,
plastic refractory, etc. Our products are popular in the whole
country and have been exported to India, Iran, etc.
We always pursue the objective of "Honesty, Courtesy, Innovation,
Dedication", the cornerstone of "Super Quality & Competitive
Price", and the strategic goal of building Rongsheng brand, to
serve the clients in a timely and effective way.
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