Are you curious about where to find the best alumina bubble bricks in China? With so many factories vying for your attention, it’s crucial to know which ones stand out. Understanding the top manufacturers not only helps you make informed decisions but also ensures you get the highest quality products for your needs. Imagine the peace of mind that comes with choosing a reliable supplier! Dive into our comparison of the leading alumina bubble brick factories and discover the options that can elevate your projects. Keep reading to find the perfect match for your requirements!

Alumina Bubble Bricks – RS Refractory Bricks Supplier In China

Product Details: Alumina Bubble Bricks are manufactured with alumina bubble ball and alumina powder as the main raw materials, featuring super high temperature resistance, energy saving, and thermal insulation.

Technical Parameters:
– Maximum Service Temperature: 1650-2200℃
– Al2O3 % ≥: 70-99

Application Scenarios:
– High temperature kilns in metallurgy industry
– Insulation lining for carbon black furnace

Pros:
– Lightweight, reducing overall furnace weight
– High service temperature with good thermal shock resistance

Cons:
– Limited availability in some regions
– Potentially higher initial cost compared to traditional bricks

Bubble Alumina – ZIRCAR Ceramics, Inc.

Product Details: ZIRCAR Ceramics’ Bubble Alumina is a rigid, low-density, insulating refractory comprised of hollow high-purity Alumina spheres bound in a high-purity Alumina cement. Exhibits high creep resistance to temperatures as high as 1825°C (3317°F).

Technical Parameters:
– Bulk density twice that of premium-grade alumina fiber insulator
– High alumina content compatible with extreme chemical environments

Application Scenarios:
– High-temperature thermal insulator in structural applications
– Use in environments requiring low thermal conductivity

Pros:
– Exceptional hot strength
– High microwave and RF transparency

Cons:
– Limited availability in standard shapes
– Requires custom manufacturing for complex shapes

Alumina Bubble Bricks Manufacturer

Product Details: Alumina bubble bricks are made of alumina bubble balls and alumina powder, fired at a high temperature of 1750 degrees. They are ultra-high temperature resistant and energy-saving insulation refractory materials.

Technical Parameters:
– Max Service temperature: 1800°C
– Al2O3 content: ≥99.3%

Application Scenarios:
– Lining of high-temperature industrial kilns below 1800°C
– Used in petroleum, chemical, electronics, ceramics, and refractory materials ind…

Pros:
– High temperature resistance more than 1750°C
– Good thermal stability at high temperature and long service life

Cons:
– Limited information on specific drawbacks
– Potential variations in quality based on production factors

Alumina Bubble Brick – Kerui Refractory Manufacturer

Product Details: Alumina Bubble Bricks are for applications up to 1700°C. These bricks have excellent insulating properties and high hot strengths. Bubble alumina bricks are made with tiny hollow insulating spheres made from high-purity alumina.

Technical Parameters:
– Al2O3: ≥90%
– Bulk Density: 1.1-1.5g/cm3

Application Scenarios:
– High-temperature insulation
– Industrial furnaces

Pros:
– Excellent insulating properties
– High mechanical intensity

Cons:
– Limited to high-temperature applications
– Potentially higher cost compared to standard bricks

Alumina Bubble Brick For Sale-China Rongsheng Refractory

Product Details: Alumina Bubble Brick is a high-temperature insulation material made from alumina bubble balls, characterized by light weight, high temperature resistance, and excellent thermal shock resistance.

Technical Parameters:
– Bulk density g/cm3: 1.4-1.7
– Max Service Temperature℃: ≥1680

Application Scenarios:
– Used in high-temperature energy saving kilns and furnaces.
– Applicable in petrochemical industrial gasifiers and metallurgical induction fur…

Pros:
– Lightweight compared to traditional refractory materials.
– Energy saving effect can reach more than 30%.

Cons:
– Limited availability in some regions.
– Higher initial cost compared to conventional bricks.

Bubble Alumina Brick – firebirdref.com

Product Details: Bubble alumina bricks, also named lightweight hollow sphere corundum bricks or 33/34 grade insulating firebrick according to ASTM C155 classification standard.

Technical Parameters:
– Lightweight insulation
– Optimal thermal performance

Application Scenarios:
– High-temperature insulation
– Industrial furnaces

Pros:
– Excellent thermal insulation
– Lightweight and easy to handle

Cons:
– Potentially higher cost
– Limited mechanical strength compared to dense refractories

Alumina Bubble Brick – AlCircleBiz

Product Details: Alumina bubble bricks are made of alumina bubble balls and alumina powder as the main raw materials, combined with other binders, and fired at a high temperature of 1750 degrees. It is a kind of ultra-high temperature resistance and energy-saving insulation refractory material.

Technical Parameters:
– Price: Available on request
– Min Order Quantity: 10.00 MT
– Delivery Lead Time: As per order
– Place of Origin: China
– Supply Ability: Customization as required
– Packaging Details: Standard export packing
– Transportation Details: Ship

Application Scenarios:
– Directly built on the lining of high-temperature furnaces in contact with flame
– Manufacturing high-temperature furnace tubes, trays, protective covers, etc.

Pros:
– Light density optimizes structure to reduce weight of the furnace body
– Low thermal conductivity provides good thermal insulation effect

Cons:
– Performance generally determined by chemical composition
– Quality affected by factors such as particle ratio, molding pressure, and firing…

AC3491 Bubble Alumina Bricks – Advanced Ceramic Materials

Product Details: AC3491 Bubble Alumina Bricks, Catalog No. AC3491, Material Al2O3, Purity 98.8%, Size Customized

Technical Parameters:
– Classification temperature (°C): 1800°C/3270°F
– Bulk Density (g/cm3): 1.65 Max, Typical: 1.55
– Cold Crushing Strength (kg/cm2): 100 Min, Typical: 150
– Thermal Conductivity (W/mK) at 350°C: 0.9
– Reheat shrinkage (1,700°C*8 hours, %): 0.06
– Chemical Composition (%): Al2O3: 98.0 Min, Typical: 99.2; SiO2: -, Typical: 0.3;…

Application Scenarios:
– Used as the main refractory lining for hot surfaces
– Used as an insulation material behind other refractories in furnaces, flues, kil…

Pros:
– Good high-temperature structural properties
– Lightweight refractory product

Cons:
– Limited size options (customized only)
– Potentially high cost due to specialized material

Alumina Bubble Brick – Kerui Refractory

Product Details: Alumina bubble brick is a lightweight insulation material mainly composed of corundum, suitable for high-temperature corrosive environments.

Technical Parameters:
– Max Service Temperature: 1800℃
– Al2O3: ≥90-99%; Fe2O3: ≤0.2%; Bulk Density: 1.3-1.9g/cm³; Thermal Conductivity:…

Application Scenarios:
– Steel and metallurgical industry: ladles, tundishes, blast furnaces
– Petrochemical industry: gasifiers, reactors, catalyst carriers

Pros:
– High insulation ability reducing energy loss
– Enhanced chemical stability in high temperatures

Cons:
– Limited availability in certain regions
– Potentially higher cost compared to traditional materials

Alumina Bubble Brick Manufacturer – Rongsheng Refractory

Product Details: Alumina Bubble Brick, Brand: Rongsheng Group, Function: Fire-resistant and high-temperature resistant, Origin: China, Samples: Available, Shipping: 7-12 days, Factory: Zhengzhou, Henan, China, Customization: Supported

Technical Parameters:
– Al2O3 %: ≥90/95/99, SiO2 %: ≤0.3, Fe2O3 %: ≤0.2
– Bulk density g/cm3: 1.3~1.5 / 1.5~1.7 / 1.7~1.9, Cold Crush Strength MPa: ≥6 / ≥…

Application Scenarios:
– Iron and steel industry
– Non-ferrous metal industry

Pros:
– Small volume density
– Low thermal conductivity

Cons:
– Price may be slightly higher than heavy bricks
– Requires careful handling due to high-temperature applications

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Comparison Table

Company	Product Details	Pros	Cons	Website
Alumina Bubble Bricks – RS Refractory Bricks Supplier In China	Alumina Bubble Bricks are manufactured with alumina bubble ball and alumina powder as the main raw materials, featuring super high temperature resista…	– Lightweight, reducing overall furnace weight – High service temperature with good thermal shock resistance	– Limited availability in some regions – Potentially higher initial cost compared to traditional bricks	rsrefractoryfirebrick.com
Bubble Alumina – ZIRCAR Ceramics, Inc.	ZIRCAR Ceramics’ Bubble Alumina is a rigid, low-density, insulating refractory comprised of hollow high-purity Alumina spheres bound in a high-purity…	– Exceptional hot strength – High microwave and RF transparency	– Limited availability in standard shapes – Requires custom manufacturing for complex shapes	zircarceramics.com
Alumina Bubble Bricks Manufacturer	Alumina bubble bricks are made of alumina bubble balls and alumina powder, fired at a high temperature of 1750 degrees. They are ultra-high temperatur…	– High temperature resistance more than 1750°C – Good thermal stability at high temperature and long service life	– Limited information on specific drawbacks – Potential variations in quality based on production factors	www.snrefractory.com
Alumina Bubble Brick – Kerui Refractory Manufacturer	Alumina Bubble Bricks are for applications up to 1700°C. These bricks have excellent insulating properties and high hot strengths. Bubble alumina bric…	– Excellent insulating properties – High mechanical intensity	– Limited to high-temperature applications – Potentially higher cost compared to standard bricks	www.krefractory.com
Alumina Bubble Brick For Sale-China Rongsheng Refractory	Alumina Bubble Brick is a high-temperature insulation material made from alumina bubble balls, characterized by light weight, high temperature resista…	– Lightweight compared to traditional refractory materials. – Energy saving effect can reach more than 30%.	– Limited availability in some regions. – Higher initial cost compared to conventional bricks.	www.rsrefractorygroup.com
Bubble Alumina Brick – firebirdref.com	Bubble alumina bricks, also named lightweight hollow sphere corundum bricks or 33/34 grade insulating firebrick according to ASTM C155 classification…	– Excellent thermal insulation – Lightweight and easy to handle	– Potentially higher cost – Limited mechanical strength compared to dense refractories	www.firebirdref.com
Alumina Bubble Brick – AlCircleBiz	Alumina bubble bricks are made of alumina bubble balls and alumina powder as the main raw materials, combined with other binders, and fired at a high…	– Light density optimizes structure to reduce weight of the furnace body – Low thermal conductivity provides good thermal insulation effect	– Performance generally determined by chemical composition – Quality affected by factors such as particle ratio, molding pressure, and firing…	www.alcirclebiz.com
AC3491 Bubble Alumina Bricks – Advanced Ceramic Materials	AC3491 Bubble Alumina Bricks, Catalog No. AC3491, Material Al2O3, Purity 98.8%, Size Customized	– Good high-temperature structural properties – Lightweight refractory product	– Limited size options (customized only) – Potentially high cost due to specialized material	www.preciseceramic.com
Alumina Bubble Brick – Kerui Refractory	Alumina bubble brick is a lightweight insulation material mainly composed of corundum, suitable for high-temperature corrosive environments.	– High insulation ability reducing energy loss – Enhanced chemical stability in high temperatures	– Limited availability in certain regions – Potentially higher cost compared to traditional materials	keruirefra.com
Alumina Bubble Brick Manufacturer – Rongsheng Refractory	Alumina Bubble Brick, Brand: Rongsheng Group, Function: Fire-resistant and high-temperature resistant, Origin: China, Samples: Available, Shipping: 7-…	– Small volume density – Low thermal conductivity	– Price may be slightly higher than heavy bricks – Requires careful handling due to high-temperature applications	www.rsnewrefractory.com

Frequently Asked Questions (FAQs)

What are alumina bubble bricks used for?

Alumina bubble bricks are primarily used in high-temperature applications, such as in kilns, furnaces, and other industrial equipment. Their excellent thermal insulation properties help improve energy efficiency and reduce heat loss, making them ideal for industries like metallurgy, ceramics, and glass manufacturing.

How are alumina bubble bricks manufactured?

The manufacturing process involves mixing alumina powder with a foaming agent, which creates bubbles during firing. This results in lightweight bricks with high porosity and low thermal conductivity. The bricks are then shaped, dried, and fired at high temperatures to achieve their final properties.

What are the advantages of using alumina bubble bricks?

Alumina bubble bricks offer several advantages, including high thermal resistance, low density, and excellent insulation properties. They can withstand extreme temperatures and are resistant to chemical corrosion, making them a durable choice for various industrial applications.

Where are alumina bubble brick factories located in China?

China has numerous alumina bubble brick factories, primarily located in regions with abundant raw materials, such as Shanxi, Henan, and Shandong provinces. These areas are known for their rich deposits of bauxite and other essential materials used in brick production.

How do I choose a reliable alumina bubble brick supplier in China?

When selecting a supplier, consider their experience, production capacity, and quality certifications. It’s also helpful to read customer reviews and request samples to assess the product quality. Establishing clear communication and understanding their delivery timelines can further ensure a successful partnership.