Raw Materials for Refractory:Ceramic Fiber Blocks for Thermal Insulation
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Specifications
Ceramic fiber blocks for thermal insulation
1.Excellent chemical stability
2.Excellent flexibility
3.Low heat capacity
Item name: Standard Ceramic Fiber Folding Block
All kinds of ceramic fiber folded block, using the corresponding materials are ceramic fiber blanket acupuncture, according to fiber components of the structure, size and mechanical processing on the dedicated form.
In the course of processed, are to maintain a certain proportion of compression to ensure the ceramic fiber lining folded block wall construction has been completed, because each piece of folded pieces of ceramic fiber in different directions on the expansion,
so that pieces of ceramic fiber folded between the extrusion into a seamless whole.
Product Characteristics
1.Excellent chemical stability;
2.Excellent thermal stability;
3.Excellent flexibility, because of fiber in a pre-compression state, and its expansion can be compensated fiber contraction, improve the insulation properties of fiber lining;
4.Low heat conductivity;
5.Low heat capacity.
Technical Specifications
Item Product | COM | ST | HP | HA | HAZ | HZ |
Specification Tem(°C) | 1050 | 1260 | 1260 | 1360 | 1360 | 1430 |
Working Tem(°C) | 950 | 1050 | 1100 | 1200 | 1280 | 1350 |
Color | white | white | white | white | white | white |
Density(kg/m3) | 200/220 | 200/220 | 200/220 | 200/220 | 200/220 | 200/220 |
Rate of liner(%) | -3 | -3 | -3 | -3 | -3 | -3 |
Rate of thermal(%)conductivity | 0.09(400) | 0.09(400) | 0.09(400) | 0.132(600) | 0.132(600) | 0.76(600) |
AL2O3(%) | 42-44 | 45-46 | 47-49 | 52-55 | 45-46 | 39-40 |
AL2O3+SIO2(%) | 96 | 97 | 99 | 99 | --------- | ------- |
AL2O3+SIO2+ZrO2 % | ---------- | --------- | ----------- | ---------- | 99 | 99 |
ZrO2(%) | ---------- | --------- | ----------- | ---------- | 99 | 99 |
Fe2O3(%) | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 | 0.2 |
Na2O+K2O(%) | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 | 0.2 |
Size (MM) | 300×300×300/250 | |||||
Specifications
Ceramic fiber blocks for thermal insulation
1.Excellent chemical stability
2.Excellent flexibility
3.Low heat capacity
Item name: Standard Ceramic Fiber Folding Block
All kinds of ceramic fiber folded block, using the corresponding materials are ceramic fiber blanket acupuncture, according to fiber components of the structure, size and mechanical processing on the dedicated form.
In the course of processed, are to maintain a certain proportion of compression to ensure the ceramic fiber lining folded block wall construction has been completed, because each piece of folded pieces of ceramic fiber in different directions on the expansion,
so that pieces of ceramic fiber folded between the extrusion into a seamless whole.
Product Characteristics
1.Excellent chemical stability;
2.Excellent thermal stability;
3.Excellent flexibility, because of fiber in a pre-compression state, and its expansion can be compensated fiber contraction, improve the insulation properties of fiber lining;
4.Low heat conductivity;
5.Low heat capacity.
Technical Specifications
Item Product | COM | ST | HP | HA | HAZ | HZ |
Specification Tem(°C) | 1050 | 1260 | 1260 | 1360 | 1360 | 1430 |
Working Tem(°C) | 950 | 1050 | 1100 | 1200 | 1280 | 1350 |
Color | white | white | white | white | white | white |
Density(kg/m3) | 200/220 | 200/220 | 200/220 | 200/220 | 200/220 | 200/220 |
Rate of liner(%) | -3 | -3 | -3 | -3 | -3 | -3 |
Rate of thermal(%)conductivity | 0.09(400) | 0.09(400) | 0.09(400) | 0.132(600) | 0.132(600) | 0.76(600) |
AL2O3(%) | 42-44 | 45-46 | 47-49 | 52-55 | 45-46 | 39-40 |
AL2O3+SIO2(%) | 96 | 97 | 99 | 99 | --------- | ------- |
AL2O3+SIO2+ZrO2 % | ---------- | --------- | ----------- | ---------- | 99 | 99 |
ZrO2(%) | ---------- | --------- | ----------- | ---------- | 99 | 99 |
Fe2O3(%) | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 | 0.2 |
Na2O+K2O(%) | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 | 0.2 |
Size (MM) | 300×300×300/250 | |||||
- Q:Graphite and other carbon materials may be oxidized to CO or CO2 at high temperatures. But why can they be refractories?
- There is no contradiction for this. Any substance can be combustible, but different materials have different ignition points.There are many types of graphite. Pyrolytic graphite has a much lower ignition point. Therefore, as long as it reaches at a certain temperature, it can convert into graphite. Mostly, in practical applications (such as brake pads will add a certain amount of graphite), graphite is required to have refractoriness of below 1000 ℃. Graphite can serves as both the combustible and refractory material. So, it can be used as a fire-resistant and high-temperature-resisrant material because graphite (lamellar graphite) has a ignition point of at least 3000 degrees in an oxygen free condition. The above information is for reference only and is offered by Xin Ruida Graphite Company.
- Q:What's the organzational structure of refractory material?
- Although hacing same chemical composition refractory material products also is mineral organizer. There are differences in the type of mineral phase, high refractoriness under load, quantity and crystalline state. The organizing minerals and microstructure are reflected by folding strength, high temperature pit definite density torsional strength, high-temperature torsional strength and product property. But, for example, wear or crack may cause damage. The performance index can reflect the internal structure of refractory: the nature of the thermal performance---linear expansion coeffcient. And the mineral composition of refractory material depends on the chemical composition and process conditions, the heat capacity and temperature conductivity. If the processing conditions are different, the influence of chemical action, and thermal conductivity: represents the nature of the mechanical properties - normal temperature, high temperature compression strength, high temperature creep performance and elastic modulus. Chemical compositions are the basic characteristics of refractory, representing the nature of the density---porosity, corrosion occurred refractory materials in high temperature use As a result, the composition and quantity directly determines the performance of refractory, true density: representing the forming of high temperature performance --- refractoriness, high temperature volume stability, so you can't analyze the effect on the product performance just from chemical composition. The performance of various refractory materials are different. It must be emphasized that macroscopic organization structure of refractory material is also an important factor that affects performance; reflecting complexity of penetration---air permeability, thermal shock resistance and slag resistance. The main component is the foundation of refractory characteristics.
- Q:Which refractory quality inspection authority is good?
- Of course, it is Research Institue of Refractory Materials in Luoyang, Henan. In fact, what we want is accuracy and authority. Quality and inspection costs, which is more important?
- Q:What are the differences between intensive refractory busway and other busways?
- Compact busway is named after its structure, especially referring to busway which is closely laminated between phases and between phase and shell and use thin insulating material to achieve the insulation result. Fire-resistant busway is named after its uses, just as its name implies, for higher fire safety requirements need busway of higher fire resistance level. The structural style of fire-resistant busway can be intensive and of air type, depending on what material it use to resist fire, so there is no direct link between them, but there is a included relationship.
- Q:What are the differences between thermal?insulation?material and refractory?
- Just as its name implies, Thermal insulation means that it doesn't conduct heat instead it insulates heat inside, while refractory means resistance to high temperature and it will not be out of shape or damaged due to high temperature.
- Q:What's the difference between refractory metal raceway and fireproof raceway?
- Fire protection slot won't cause fire accident under the temperature of no more than 200℃. While the refractory cable tray is made with refractory materials and can withstand high temperature of 800℃ with no fire accident happening. The test standard depends on the maximum temperature it can endure. Hope it's helpful for you!
- Q:whether the fire resistant level of aerated concrete building blocks can reach the grade one?
- Aerated concrete building blocks is made by calcareous materials (such as cement, lime) and siliceous material (such as sand, fly ash, slag), adding aluminum powder ingredients as filling agent, by mixing with water, casting molding, gas - expansion, raising the pre-cut, and then the high-pressure steam curing of silicate building blocks. when aerated concrete is at the temperatures below 600 ℃, the compressive strength will be increased slightly, when the temperature is at about 600 ℃, the compressive strength is close to the compressive strength at normal temperature, so the aerated concrete, as building materials, the fire performance can meet the national fireproffing safety standards level.
- Q:Does anyone know the fire endurance of steel stud partition?
- Indeed ① Dragon Brand gypsum board fire-resistant partition: Its fireproofing extreme time is 4 hours, suitable for firewalls of a variety of public buildings, public exit passageway and other partitions, which meets the first level of fire protection standard ② fireproofing and pressure-resistant partition: Refers to the partition which can withstand momentary gas shocks of over 1200pa , mianly used for the room partition with inert gas fire-fighting needs, such as equipment rooms. The pressure-resistant degree of fireproofing and pressure-resistant partition of Beixin Building Materials can be up to 4800Pa, especially suitable for high-rise fireproofing.
- Q:Which manufacturers have the best fire-proof materials with light weight?
- It now appears that asbestos is the best among the most common fireproof materials. But asbestos also has great harm, especially to lung. Shanghai Xinlong Fireproofing Material Co., Ltd. and Hubei Boyue Lightweight Material Co., Ltd. were established in 2009. The company is located in Wuhan Biological New Town and covers an area of ??30 acres. The company is a specialized enterprise which is mainly engaged in the research and development, production, sale and construction of lightweight partition board, lightweight fireproof wall panel and lightweight wall panel. The two companies are both good.
- Q:Which refractory is better for building 1500 degree kiln ?
- High alumina brick or 99 alumina hollow ball brick is OK, which can withstand a temperature of 1600 ℃.
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Raw Materials for Refractory:Ceramic Fiber Blocks for Thermal Insulation
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
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