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Yixing City Kam Tai Refractories Co.,ltd
Yixing City Kam Tai Refractories Co.,ltd Professional Manufacturer of Refractory Kiln furniture and Technical Ceramic
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White Alumina Bubble Refractory Fire Bricks High Temperature Resistant

Yixing City Kam Tai Refractories Co.,ltd
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White Alumina Bubble Refractory Fire Bricks High Temperature Resistant

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Brand Name : KT

Model Number : BUBBLE BRICK 1

Certification : ISO

Place of Origin : China

MOQ : 500PCS

Price : 1-20 USD PER PC

Payment Terms : Western Union, MoneyGram

Supply Ability : 50 TON PER MONTH

Delivery Time : 25 DAYS AFTER PAYMENT

Packaging Details : PLWYOOD PALLET OR BOX

Name : High temperature resistant alumina bubble brick refractory brick

Material : High alumina

Size : 230*114*65mm

Using temperature : 1500-1700℃

Density : 1.4-1.6g/cm3

Cold Crushing Strength : ≥ 10

Thermal Conductivity (at 800℃ ) : ≤1.5

Heat Expansion Coefficient (at 1300℃) : ~7.8

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High temperature resistant alumina bubble brick refractory brick

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.



Product Tags:

high temp fire brick

      

kiln fire bricks

      
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