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Alumina Bubble Bricks Featured Image
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks
  • Alumina Bubble Bricks

Alumina Bubble Bricks

Short Description:

Other Name: Alumina Hollow Ball Bricks
Model: RBTHB-85/90/98/99
Size: 230x114x65mm/Customers' Requirement 
Al2O3: 85-99% 
Fe2O3: 0.1-0.5%
Refractoriness (Degree): Common (1770°< Refractoriness< 2000°)
Thermal Conductivity350±25℃: 0.3-0.5(W/m.k)
Permanent Linear Change℃×12h ≤2%: ±0.3
Cold Crushing Strength: 10-12MPa
Bulk Density: 1.4-2.0g/cm3
Application: Lightweight Refractory Material
HS Code: 69022000

Product Detail

Product Tags

氧化铝空心球砖

Product Information

Alumina hollow ball bricks/Alumina bubble bricks are made of alumina hollow ball and alumina powder as the main raw material, combined with other binder, after 1750 degrees high temperature firing, belongs to a kind of ultra-high temperature and energy-saving insulation material.

Features: Product contains a large number of closed porosity, thus it has high strength and stability of porosity structure, low density, good thermal shock resistance and small change of permanent linear, low thermal conductivity.

Details Images

28

Standard Bricks

11

Shaped Bricks

32

Shaped Bricks

1

Shaped Bricks

31

Shaped Bricks

33

Shaped Bricks

Product Index

INDEX
RBTHB-85
RBTHB-90
RBTHB-98
RBTHB-99
Max Service Temperature(℃)
1750
1800
1800
1800
Bulk Density(g/cm3) ≥
1.4~1.9
1.4~1.9
1.4~1.9
1.5~2.0
Cold Crushing Strength(MPa) ≥
10
10
11
12
 Permanent Linear Change@1600℃×3h (%)
±0.3
±0.3
±0.3
±0.3
Thermal Conductivity(W/m.k)
0.30
0.35
0.50
0.50
Al2O3(%) ≥
85
90
98
99
Fe2O3(%) ≤
0.5
0.2
0.1
0.1
ZrO2(%) ≥
―
―
―
―

Application

Mainly used in the gasifier reactor of petrochemical industry, carbon black industry , induction furnace of metallurgical industry, down-draft kiln, shuttle kiln, molybdenum wire furnace, tungsten rod furnace, induction furnace, nitrogenation oven, and other high temperature, super high temperature furnaces.

微信截图_20231010152626

Petrochemical Industry

微信截图_20231010160321

Carbon Black Industry

7db94380766723866165261b688cc03d_副本

Metallurgical Industry

微信截图_20231010165513

Chemical Industry

Production Process

详情页_02

Package&Warehouse

25
24
26
13
23
27

Company Profile

图层-01
微信截图_20240401132532
微信截图_20240401132649

Shandong Robert New Material Co., Ltd. is located in Zibo City, Shandong Province, China, which is a refractory material production base. We are a modern enterprise that integrates the research and development, production, sales, kiln design and construction, technology, and export refractory materials. We have complete equipment, advanced technology, strong technical strength, excellent product quality, and good reputation. Our factory covers over 200 acres and an annual output of shaped refractory materials is approximately 30000 tons and unshaped refractory materials is 12000 tons.

Our main products of refractory materials include: alkaline refractory materials; aluminum silicon refractory materials; unshaped refractory materials; insulation thermal refractory materials; special refractory materials; functional refractory materials for continuous casting systems.

Robert`s products are widely used in high-temperature kilns such as non-ferrous metals, steel, building materials and construction, chemical, electric power, waste incineration, and hazardous waste treatment. They are also used in steel and iron systems such as ladles, EAF, blast furnaces, converters, coke ovens, hot blast furnaces; non-ferrous metallurgical kilns such as reverberators, reduction furnaces, blast furnaces, and rotary kilns; building materials industrial kilns such as glass kilns, cement kilns, and ceramic kilns; other kilns such as boilers, waste incinerators, roasting furnace, which have achieved good results in using. Our products are exported to Southeast Asia, Central Asia, Middle East, Africa, Europe, Americas and other countries, and has established a good cooperation foundation with multiple well-known steel enterprises. All employees of Robert sincerely look forward to working with you for a win-win situation.
详情页_03

Frequently Asked Questions

Need help? Be sure to visit our support forums for answers to your questions!

Are you a manufacturer or a trader?

We are a real manufacturer, our factory is specialized in producing refractory materials for more than 30 years. We promise to provide the best price, the best pre-sale and after-sale service.

How do you control your quality?

For each production process, RBT has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.

What is your delivery time?

Depending on the quantity, our delivery time is different. But we promise to ship as soon as possible with guaranteed quality.

Do you provide free samples?

Of course, we provide free samples.

Can we visit your company?

Yes, of course, you are welcome to visit RBT company and our products.

What is the MOQ for trial order?

There is no limit, we can provide the best suggestion and solution according to your situation.

Why choose us?

We have been making refractory materials for more than 30 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.

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