65% Al2O3 min High Alumina Insulating Fire Brick

65% Al2O3 min High Alumina Insulating Fire Brick

Ref Price:

Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 1000 m.t./month

Inquire Now

Chat Online

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specifications

1.65% Al2O3 min;
2. Refractoriness: 1790C min;
3.For steelmaking furnaces;
4.ISO 9001 Certificate;
5.Custom shape.

High alumina insulating fire brick is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory, which has such advantages as high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life. For various industrial kilns & furnaces, it is a kind of essential refractory for energy saving and temperature preservation.

This series of High Alumina Insulating Fire Brick are made of selected high alumina bauxite, kaolin caly, hollow microsphere as the mian material.By shaping at high pressure and sintering at high temperature.

Items		Mark
		Hihg Alumina brick			Clay brick		Phosphoric acid dipping clay brick
		GL-65	GL- 55	GL- 48	ZGN-42	ZGN-42	Phosphoric acid dipping clay brick
Chemical Compositions ( %) ≥	Al2O3	65	55	48	42	42
	Fe2O3	2.0	2.0	2.0	1.6	1.7
	P2O5	-	-	-	-	-	7
Refractoriness ℃		1790	1770	1750	1750	1750	-
Apparent Porosity (%)≤		19	19	18	15	16	14
Alkali resistance (strength degradation)%≤		-	-	-	-	-	15
0.2MPaRefractoriness under load,℃≥		1500	1480	1450	1450	1430	1450
CCS (Mpa)≥		58.8	49	49	58.8	49	60
Dead burnt linear change(%)≤	1450℃×2h			0/-0.2	0/-0.2	0/-0.3	0/-0.2
Dead burnt linear change(%)≤	1500℃×2h	0/-0.2

Starting from the raw material into factory, Every production process of high alumina insulating fire bricks should through strict quality control, both the raw materials and finished products should be inspected time after time, to esure that each product to satisfy our customers, because of advanced automatic batching system and 2500 tons automatic hydraulic machine in the world were introduced, then a new line of the ladle fire bricks and other styling refractory products with a superior quality was put into production.

Q:Are insulating fire bricks resistant to thermal spalling?: Insulating fire bricks exhibit resistance to thermal spalling, which is the process of a material cracking or fracturing as a result of abrupt fluctuations in temperature or thermal shock. These bricks are specifically engineered to endure elevated temperatures and thermal cycling without spalling. Their low thermal conductivity allows for efficient insulation against heat transfer, thereby reducing the strain caused by thermal expansion and contraction. Moreover, the composition and structure of insulating fire bricks are meticulously designed to offer outstanding protection against thermal spalling, rendering them a dependable option for applications involving intense heat conditions.

Q:Are insulating fire bricks resistant to vibration or seismic activity?: Insulating fire bricks lack resistance to vibration or seismic activity in general. These bricks are intended for insulation purposes, making them lightweight and porous. Although they can endure slight vibrations or low levels of seismic activity, they are not explicitly engineered to withstand substantial shaking or tremors. When facing concerns regarding vibration or seismic activity, it is recommended to utilize bricks or materials that are specially crafted to withstand such forces.

Q:Can insulating fire bricks be used in contact with molten metal?: Indeed, it is possible to utilize insulating fire bricks in direct contact with molten metal. Specifically engineered to endure extreme temperatures, these bricks are widely employed in industrial settings where they encounter molten metal. With their exceptional resistance to thermal shock, they are capable of withstanding the intense heat generated by molten metal. Furthermore, insulating fire bricks possess low thermal conductivity, thereby reducing heat loss and enhancing energy efficiency. However, it is crucial to ascertain that the specific variant of insulating fire brick employed is suitable for the specific type of molten metal and temperature range it will be exposed to. Different metals possess varying melting points, which may necessitate the use of more specialized refractory materials.

Q:Can insulating fire bricks be used for insulation in hot blast stoves?: Yes, insulating fire bricks can be used for insulation in hot blast stoves. These bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for use in hot blast stoves where temperatures can reach extremely high levels.

Q:What types of insulating fire bricks are available?: There are several types of insulating fire bricks available, including lightweight insulating fire bricks (IFBs), high alumina insulating fire bricks, and mullite insulating fire bricks.

Q:What are the advantages of using insulating fire bricks over traditional bricks?: Using insulating fire bricks instead of traditional bricks offers several advantages. To begin with, insulating fire bricks possess superior thermal insulation properties compared to traditional bricks. This means they are more efficient at retaining heat and preventing heat loss. Consequently, they are highly suitable for industries where temperature control is crucial, such as in industrial furnaces, kilns, and ovens. By minimizing heat loss, insulating fire bricks aid in enhancing energy efficiency and reducing heating expenses. Furthermore, insulating fire bricks have a higher melting point than traditional bricks, rendering them more resistant to extreme temperatures. Consequently, they are ideal for use in environments with intense heat, like the metallurgical and glass industries. Insulating fire bricks can endure temperatures of up to 3000°F (1650°C), whereas traditional bricks typically have a lower melting point. Moreover, insulating fire bricks possess a lightweight structure and low thermal mass. As a result, they heat up quickly and cool down rapidly, making them suitable for applications that require frequent temperature changes or rapid heat-up times. Conversely, traditional bricks have a higher thermal mass and take longer to heat up or cool down. Additionally, insulating fire bricks exhibit greater resistance to thermal shock and can withstand sudden temperature changes without cracking or breaking. This durability makes them more long-lasting compared to traditional bricks, which are more susceptible to damage caused by thermal cycling. Furthermore, insulating fire bricks are often easier to install and handle due to their lightweight nature. They are also available in various sizes and shapes, offering more flexibility in construction and design. This versatility can help reduce labor and installation costs. In conclusion, the advantages of using insulating fire bricks over traditional bricks include superior thermal insulation properties, a higher melting point, lightweight structure and low thermal mass, resistance to thermal shock, durability, and ease of installation. These benefits make insulating fire bricks the preferred choice for various high-temperature applications, providing enhanced energy efficiency, cost savings, and overall improved performance.

Q:Can insulating fire bricks be used as a thermal barrier?: Indeed, insulating fire bricks have the potential to function as a thermal barrier. Specifically engineered with low thermal conductivity, these bricks are adept at reducing heat transfer. Consequently, they are an optimal selection for thermal insulation purposes. Their widespread usage is observed in industries that entail elevated temperatures, including furnaces, kilns, and other heat-intensive procedures. By employing insulating fire bricks, heat loss can be minimized, steady temperatures can be maintained, and energy efficiency can be enhanced. Furthermore, their lightweight composition facilitates effortless handling and installation, thereby augmenting their suitability as a thermal barrier.

Q:Outside brick wall, inside brick wall how to return a responsibility?: Use in indoor environment using brick, not so bad, are generally Youmianzhuan, of course there are all the tiles, bricks, colorful patterns, the appearance of small size error.

Q:What is the density of insulating fire bricks?: The density of insulating fire bricks typically ranges from 0.6 to 1.5 grams per cubic centimeter (g/cm³). However, the exact density can vary depending on the specific composition and manufacturing process of the insulating fire brick. These bricks are designed to have lower density compared to regular fire bricks, which allows them to have better insulating properties. The lower density helps in reducing heat transfer and increasing energy efficiency in various applications such as furnaces, kilns, and ovens.

Q:Insulation brick should pay attention to external walls?: Before the tile is adhered, the water spraying device is applied to spray the wet water on the adhered base layer so as not to flow better.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range