Alumina Block Manufacturers Produce Heating Ceramic Furnace Honeycomb Regenerator Ceramic Heat Accumulator

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Alumina Block Manufacturers Produce Heating Ceramic Furnace Honeycomb Regenerator Ceramic Heat Accumulator
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Caracteristicas
Especificaciones
Shape: Brick
Material: Alumina Block
SiO2 Content (%): 0.3-15
Al2O3 Content (%): 85~99
MgO Content (%): Trace
CaO Content (%): Trace
Refractoriness (Degree): 1770°< Refractoriness< 2000°
CrO Content (%): Trace
SiC Content (%): Trace
Model Number: 01
Processing Service: Cutting, Moulding
Product name: Alumina hollow ball brick
Max service temperature: 1680~1800
Bulk density/g.cm3: 1.4-1.7
Cold crushing strength/Mpa: ≥8
Refractoriness under load (0.1MPa,0.6%): ≥1650°C
Reheating Linear Change % (1600 °C,3h): ±0.3
Thermal conductivity: ≤0.3~≤1.5
Thermal expansion coefficient: 7.8~9.0
Sample: Free sample
Advantage: Heat preservation
Información básica
Model Number: 01
Pago y Envío Términos
Packaging Details: 1. Carton packaging . 2. tray + plastic film + fixed band 3. pallets: 1*1m,0.93*0.93m . 4. tray weight: 1.6~2.0ton. 5. packaging according to customer service requirements .
Supply Ability: 5000 Ton/Tons per Month
Descripción de producto

Product Description

Alumina hollow ball is a new type of high temperature heat insulation material, it is made of industrial alumina in the electric furnace smelting blowing, crystal type a-Al2O3 micro crystal.
Alumina hollow ball with temperature up to 1750 degrees or more, good thermal stability. Alumina hollow spherical brick bulk density only 1.1~1.5g/cm weight burn line change rate is small, the use of more long-term.

Item

Bubble alumina brick

Bubble zirconia brick

85

90

99

98

Max service temperature

1680°C

1700°C

1800°C

2200°C

Al2O3/%

≥85

≥90

≥99

-

ZrO2/%

-

-

-

≥98

SiO2 /%

≤13

≤8

≤0.2

≤0.2

Fe2O3/%

≤0.2

≤0.2

≤0.2

≤0.2

Bulk density/g.cm3

1.4-1.7

1.4-1.7

1.4-1.7

≤3.0

Cold crushing strength/Mpa

≥12

≥10

≥9

≥8

Refractoriness under load (0.1MPa,0.6%)

≥1650°C

≥1700°C

≥1700°C

≥1700°C

Reheating Linear Change % (1600 °C,3h) ≤

±0.3

±0.3

±0.3

±0.3

Thermal expansion coefficient (Room temp-1300°C)

~7.8

~8.0

~8.6

~9.0

Thermal conductivity w/(m.k)(Average 800°C)

≤0.8

≤1.3

≤1.5

≤0.3

Features:

1. the use of high temperature, reaching more than 1750 degrees, the thermal stability is good.
2. small size, optimize the structure, reduce the weight of the furnace body.
3. the corrosion resistance of slag is good, and the usage period is long.
4. low thermal conductivity, good thermal insulation effect.

Applications:

Applicable to cracking furnace, hot blast furnace, heating furnace, tunnel kiln, push board kiln, the crucible furnace and electric furnace, electric furnace lining insulation, is also widely used in metallurgy, refractory, light industry, chemical industry, ceramics, glass, electronics and other industries.

Company Information

Our Advantage

Certifications

Product Line

Packaging & Shipping

FAQ

Q1. What business does your company have?
A. The company is mainly engaged in: 1. Hot blast furnace transformation project (refractory ball to grid brick). 2. General contracting of pellet shaft furnace material resistance and construction. 3. General contracting of refractory materials and construction of iron mixing furnace and iron water tank. 4. General contracting of refractory materials and construction of lime shaft kiln. 5. General contracting of refractory materials and engineering for mineral heat furnace. 6. Provide melting and non-melting refractory products and technical services for various glass furnaces, such as regenerator, melting tank, working tank and material passage. 7. Refractories for circulating fluidized bed boilers. 8. Refractory materials for coke ovens. 9. Refractories for carbon roasters.

Q2. Which countries are you cooperating with?
A. Nearly 100 customers have established cooperative relations and have been providing customers with the best quality service.

A3. What products do you have?
A. Company main products:corundum mullite bricks, high aluminum brick, clay brick of blast furnace, blast furnace hot blast stove with thermal shock, low creep high alumina series.etc

Q4. How to guarantee the quality of your products?
A. We have established strict production processes and inspection standards, and we have established a professional QA and QC department to ensure that the products delivered by the factory meet the customer's technical indicators and related regulations.

Q5. Can you provide samples?
A. We can provide you with samples and delivery services, we will charge a certain sample and shipping costs, samples and shipping fees can be reduced in bulk orders later!

Q6. What payment methods do you support?
A. The payment methods we support are: T/T, L/C, DP/DA
If you choose 100% T/T, we will give you the best price.

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