Insulating Fire Brick 65% Al2O3 Min High Alumina
- Ref Price:
-
$2.00 - 20.00
/ pc
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 2000000 pc/month
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65% Al2O3 Min High Alumina Insulating Fire Brick
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.
Product Applications:
High alumina insulating fire brick are ideal for use in the below applications
Building materials for blast furnace
Building materials for hot-blast stove
Building materials for coke oven
Building materials for steel making furnace
For construction material in steel industry
For ladle
Product Advantages:
CNBM has success in its High alumina insulating fire brick due to their cost-effectiveness and excellent insulating properties. The refractoriness of magnesia chrome bricks are more than 2000°C, and the refractory under load is a above 1550°C.Good steady volume in high temperature, the performance of meeting sudden cold and sudden hot is better than magnesia bricks.
Main Product Features:
Excellent thermal stability
High refractoriness under load
Chemical stability and anti-corrision
Small high temperature creep rate
Excellent thermal shock resistance
Product Specifications:
FAQ:
Q1: Are you a manufacture or trader?
A1: Factory+trade (mainly for manufacturing, also do some business of related products).
Q2: What's the MOQ of trial order?
A2: No limit,We can offer the best suggestions and solutions according to your requirements.
Q3: After an order is confirmed,when to deliver?
A3: According to your order quantity, normally, 15-25 days after deposit received.
Q4: Is your company accept customization?
A4: We have our own factories and excellent technical team, and we accept OEM service.
Product Picture
Produce Processing
- Q: Are insulating fire bricks suitable for the insulation of chimneys?
- Yes, insulating fire bricks are suitable for the insulation of chimneys. Insulating fire bricks are specially designed to withstand high temperatures and provide effective insulation, making them ideal for use in chimneys. They have a high thermal conductivity, which means they can retain heat and prevent it from escaping, thereby improving the efficiency of the chimney. Additionally, insulating fire bricks are resistant to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This is particularly important in chimneys, where the temperature can fluctuate dramatically during the combustion process. Overall, insulating fire bricks are a reliable choice for chimney insulation, as they offer excellent heat retention and durability.
- Q: What are the dimensions of insulating fire bricks?
- Insulating fire bricks are usually available in different dimensions, which vary depending on the manufacturer and specific usage. However, the most frequently used dimensions for insulating fire bricks are 9 inches by 4.5 inches by 2.5 inches (or 230mm by 114mm by 64mm). These dimensions are widely accepted and commonly employed in the industry. It is worth mentioning that distinct projects might necessitate diverse dimensions, and it is advisable to consult the manufacturer or supplier to determine the most suitable dimensions for your requirements.
- Q: Can insulating fire bricks withstand thermal shock?
- Insulating fire bricks possess exceptional thermal insulation properties and are commonly employed in situations where thermal shock does not pose a significant issue. While these bricks can endure moderate temperature fluctuations, they are not explicitly engineered to withstand thermal shock. Thermal shock arises when there is an abrupt alteration in temperature, leading to strain and possible harm to the substance. Insulating fire bricks are more vulnerable to thermal shock in comparison to dense fire bricks, which are explicitly crafted to endure drastic temperature variations. If thermal shock is a concern in your application, it is advisable to contemplate alternative refractory materials that are specially designed to withstand rapid temperature changes.
- Q: Can insulating fire bricks be used in the construction of reheat furnaces?
- Yes, insulating fire bricks can be used in the construction of reheat furnaces. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for use in furnaces. Insulating fire bricks have a low thermal conductivity, which helps to reduce heat loss and improve energy efficiency in the furnace. Additionally, they have high resistance to thermal shock, allowing them to withstand rapid temperature changes that occur during the reheat process. Overall, insulating fire bricks are a suitable choice for the construction of reheat furnaces, as they contribute to better heat retention and energy savings.
- Q: Are insulating fire bricks resistant to oil and gas?
- Insulating fire bricks are generally resistant to oil and gas. These bricks are made from high temperature materials such as alumina and silica, which provide excellent thermal insulation properties and can withstand high temperatures. They are commonly used in industries where there is exposure to heat, such as in furnaces, kilns, and fireplaces. However, it is important to note that the resistance to oil and gas can vary depending on the specific composition and manufacturing process of the insulating fire bricks. Some bricks may have a higher resistance to oil and gas compared to others. To ensure the best resistance to oil and gas, it is recommended to use insulating fire bricks that are specifically designed for such applications. These bricks are often referred to as oil and gas resistant fire bricks and are manufactured with additional additives or coatings that enhance their resistance to these substances. In summary, while insulating fire bricks are generally resistant to oil and gas, it is advisable to use bricks that are specifically designed for such applications to ensure optimal performance and longevity.
- Q: Are insulating fire bricks resistant to ultraviolet (UV) radiation?
- Insulating fire bricks usually lack resistance to ultraviolet (UV) radiation, which can lead to the deterioration and discoloration of materials, particularly those not specifically engineered to endure it. The main purpose of insulating fire bricks is their high temperature resistance and insulation properties, rather than their capacity to withstand UV radiation. Consequently, if exposed to long-term UV exposure, insulating fire bricks may undergo reduced performance, cracking, or deterioration. To ascertain the precise UV resistance of insulating fire bricks, it is crucial to refer to the manufacturer's specifications or guidelines, as certain manufacturers may provide specialized products with greater UV resistance.
- Q: Do insulating fire bricks require a specific curing or drying process before use?
- Insulating fire bricks typically necessitate a distinct curing or drying procedure prior to utilization. This action eradicates any moisture or volatile organic compounds (VOCs) that could be within the bricks and guarantees they attain their utmost insulating capabilities. The curing or drying procedure for insulating fire bricks generally entails a gradual increase in temperature, allowing the release of any moisture or VOCs without causing cracks or damage to the bricks. The rate of temperature escalation and the overall duration of the curing process may differ based on the bricks' type and thickness. Adhering to the manufacturer's instructions and recommendations for the specific type of insulating fire bricks employed is crucial. This ensures that the curing or drying process is executed accurately, preparing the bricks for use in high-temperature applications like kilns, furnaces, or fireplaces. Failing to appropriately cure or dry the bricks may lead to diminished insulating properties, as well as potential cracks or failure when subjected to elevated temperatures.
- Q: What is the typical open porosity of an insulating fire brick?
- The typical open porosity of an insulating fire brick can vary depending on the specific type and manufacturer. However, on average, insulating fire bricks have an open porosity ranging from 45% to 70%. This means that approximately 45% to 70% of the volume of the brick is made up of interconnected voids or pores. The open porosity is an important characteristic of insulating fire bricks as it directly affects their thermal insulation properties. The higher the open porosity, the better the insulating capabilities of the brick, as the voids act as barriers to heat transfer. Insulating fire bricks with lower open porosity are often denser and more durable, but they may have reduced thermal insulation properties.
- Q: Are insulating fire bricks resistant to cracking?
- Insulating fire bricks possess a deliberate design aimed at achieving exceptional crack resistance. Crafted from lightweight ceramic substances with low thermal conductivity and remarkable thermal shock resistance, these bricks can endure swift temperature fluctuations without fracturing. Moreover, the bricks undergo a firing process that fortifies their structure and reduces the likelihood of cracking. Nevertheless, it is crucial to acknowledge that insulating fire bricks may still incur cracks under extreme thermal shock or physical impact. Hence, it is imperative to handle and install them properly to safeguard their durability and efficacy.
- Q: Do insulating fire bricks have a high resistance to creep?
- Yes, insulating fire bricks generally have a high resistance to creep. The low thermal conductivity and high refractoriness of these bricks allow them to withstand high temperatures without significant deformation or creep.
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Insulating Fire Brick 65% Al2O3 Min High Alumina
- Ref Price:
-
$2.00 - 20.00
/ pc
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 2000000 pc/month
OKorder Service Pledge
OKorder Financial Service
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