Home > Products > Refractory Brick > Cement kiln insulating fire Brick/Fire proof Brick/High temperature Alumina Birck
Cement kiln insulating fire Brick/Fire proof Brick/High temperature Alumina Birck
- 10000 Piece / Pieces per Month
- QINGDAO
- T/T D/P D/A
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Product Details
Place of Origin | Shandong, China | Shape | Brick | |
Al2O3 Content (%) | 75% | |||
Model Number | LZ-75 | Brand Name | SUNSHINE |
Product Description
Specifications
1.Low thermal conductivity2..Low thermal expansion
Definition:
Clay brick is refers to the Al2O3 content is 30% ~ 40% aluminum silicate clay products. Clay brick is made of soft clay and 50% and 50% of hard clay grog, ingredients required by certain granularity, after forming, drying, burning under the high temperature of 1300 ~ 1400 °C.
Composition:
The main mineral composition of clay brick kaolinite (2 sio2, Al2O3 · 2 h2o) and 6% ~ 7% of impurities (potassium, sodium, calcium, titanium, iron oxide).
Advantage:
1.Low thermal conductivity
2.Low thermal expansion
3.Excellent oxidation resistance
4.Excellent corrosion resistant
5.long duration
Application:
1.Good lining refractory materials in Aluminum electrolysis cell,furnace,kiln,incinerators, and reactors.
2.As Tuyere combined bricks or other combined blocks in Iron&steel industry.
3.Used as Kiln shed board, beams,slide push board, sagger.
Performance:
Thermal performance is good, resistance to thermal shock and wear corrosion resistance to spalling characteristics such as high mechanical strength low creep.
Parameter:
TERM | Indication | |||||||||||||
N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 | |||||||
refractoriness/°C | >= | 1750 | 1730 | 1730 | 1710 | 1710 | 1690 | 1670 | 1580 | |||||
RUL 0.2MPa/°C,≥ | 1400 | 1350 |
| 1320 |
| 1300 |
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/% | 1400°C,2h | +0.1 -0.4 | +0.1 -0.5 | +0.2 -0.5 |
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1350°C,2h |
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| +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 |
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Apparent por/% | <= | 22 | 24 | 26 | 24 | 26 | 24 | 26 | 28 | |||||
Cold crushing strength/MPa,≥ | 300 | 250 | 200 | 200 | 150 | 200 | 150 | 150 | ||||||
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SiC% | ≥ | 72 | ||||||||||||
Si3N4 % | ≥ | 21 | ||||||||||||
Fe2O3 % | ≤ | 0.5 | ||||||||||||
Density | g/cm3 | 2.65-2.70 | ||||||||||||
Apparent porosity % | ≤ | 18 | ||||||||||||
Modulus of Rupture | Mpa (at ambient temperature) | 42 | ||||||||||||
Mpa(1400°C) | 45 | |||||||||||||
Compressive strength | MPA≥ | 150 | ||||||||||||
thermal conductivity1250°C | W/m.k | 15-18 | ||||||||||||
acid-proof alkaline |
| Excellent | ||||||||||||
Size Difference | 0-100mm | ±1.0 | ||||||||||||
101-300mm | ±1.5 | |||||||||||||
301-500mm | ±2.0 | |||||||||||||
501mm above | ±0.5% |
Execution standard:
China metallurgical standard (YB/T5106—1993)
Usage:
Mainly used for coke oven, the blast furnace hot blast stove, ladle, casting system, boiler, cement kiln, glass kiln and kiln liner and thermal technology equipment, etc., are widely used in in metallurgical, chemical, ceramics, casting, machinery, electricity, building materials, oil and other industries.
Surya Thermal Insulation Material Co., Ltd. mainly exports all kinds of industry insulation materials and refractory materials required by customers.
The calcium silicate boards we produced feature high temperature and low temperature resistance. Annual output is 30000 cubic meters.
Products are used for processing equipment, piping and furnace because of thermal insulation and soundproof and fireproof characteristics. They are applied in electric power, metallurgy, prettification, construction and vessel fields.
With professional technicians and excellent team members, Tthe products from our company got good evaluation from customers.
We sincerely welcome you to negotiate business with us. You will get super products and super service from our company.
Contact Us
- Laizhou Sunshine Trading Co., Ltd.
- Contact nameSharon Teng Chat Now
- Phone0086-535-2229232
- AddressNo. 1512-1513, Hongting Bldg., Wenhua West Road, Urban Area
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