Ceramic Fiber
What is Ceramic Fiber
Ceramic Fiber is a type of material made from ceramic fibers that are lightweight and have high thermal resistance. It is commonly used in high-temperature insulation applications, such as kiln linings, furnace linings, and heat shields in aerospace and automotive industries. Ceramic Fiber is known for its excellent insulation properties, high strength, and thermal shock resistance. It is also resistant to chemical corrosion and has low thermal conductivity. Ceramic Fiber is available in various forms, such as blankets, boards, papers, and textiles.
High Heat Resistance
Ceramic fibers have a high melting point and can withstand extremely high temperatures, making them ideal for use in applications where high heat resistance is needed.
Durability and Chemical Resistance
Ceramic fibers are highly durable and resistant to many chemicals, making them ideal for use in harsh environments such as chemical plants and refineries, where they can withstand harsh chemical exposure.
Low Thermal Conductivity
Ceramic fibers have a low thermal conductivity, which means they are excellent insulators and can prevent heat loss, making them ideal for use in insulation applications.
Lightweight
Ceramic fibers are lightweight, which makes them easy to handle and install.
Energy Savings
Ceramic fiber insulation can help reduce energy consumption by insulating equipment and buildings, leading to significant energy savings.
Low Maintenance
Ceramic fibers are easy to maintain and require minimal maintenance over their lifespan.
Flexible
Ceramic fibers can be molded and shaped into various shapes and sizes, making them an ideal material for many applications.
Easy to Install
Ceramic fiber insulation is easy to install, which reduces installation time and costs.
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![Ceramic Wool]()
Ceramic WoolLucheng® Ceramic fiber wool are made by melting kaolin into fibers through BLOWN or SPUN methods, The existing applications of ceramic fibers include：read more -
![Ceramic Boards]()
Ceramic BoardsCeramic board is made through automatic vacuum forming and drying in continuous production line, it Is used for thermal insulation, as high temperature gasket, kiln thermal lining, furnace...read more -
![Ceramic Fiber Wool]()
Ceramic Fiber WoolCeramic fiber blown woolread more
Ceramic fiber spun wool
Ceramic fiber chopped wool
Ceramic fiber wool for textile
Ceramic fiber wool for friction -
![Ceramic Paper]()
Ceramic PaperCeramic paper (material: aluminum silicate fiber, AES) is produced by adding a small amount of scientifically selected and strictly controlled binder to aluminum silicate refractory fibers. The...read more -
![Ceramic Rope]()
Ceramic RopeCeramic rope are made from high-strength ceramic fibers (aluminum silicate fibers, AES) through spinning and weaving. Using adhesive fibers for spinning, heating does not produce toxic gases....read more -
![Ceramic Fiber Gasket]()
Ceramic Fiber GasketCeramic fibers are used as the high temperature working condition for wire bonding. According to different requirements, materials such as glass fiber and Alloy wire are used for reinforcement.read more -
![Ceramic Module]()
Ceramic ModuleCeramic fiber module is a series of module products processed by specialized mechanical equipment using aluminum silicate ceramic fiber blanket according to the structure and size of the fiber...read more -
![Furnace Refractory Lining Ceramic Fire Module]()
Furnace Refractory Lining Ceramic Fire ModuleCeramic fiber module is a series of module products processed by specialized mechanical equipment using aluminum silicate ceramic fiber blanket according to the structure and size of the fiber...read more -
![Ceramic Insulation Board]()
Ceramic Insulation BoardLow thermal conductivity, low thermal capacityread more
Stable chemical stability
Easy to construct, cut, and install
Accurate size and good flatness
Excellent heat resistance... -
![Ceramic Fire Board]()
Ceramic Fire BoardType：1360℃ Ceramic fire board is made through automatic vacuum forming and drying in continuous production line, it Is used for controlling the upper half of the kiln passage, usually made of...read more -
![High Temperature Ceramic Insulation Board]()
High Temperature Ceramic Insulation BoardType：1050℃, 1260℃, 1360℃，1430℃ High temperature insulation board is made through automatic vacuum forming and drying in continuous production line. Ceramic fiber board is with higher...read more -
![High Alumina Refractory Fiber Board]()
High Alumina Refractory Fiber BoardRefractory Fiber Board is versatile materials used for high temperature industrial refractory and insulation. It is made through automation control and continuous production process by adding a...read more
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Ceramic Fiber Main Characteristics and Specs
Lightweight, low thermal conductivity, high temperature stability, excellent handling strength, low heat storage, thermal shock resistant, fire and flame proof, chemical resistant, compatible with most corrosive chemicals, commonly used acid and alkali (exceptions are hydrofluoric, phosphoric acids and concentrated alkalis).
Chemical Composition: Al2O3 + SiO2 >97% ( Al2O3 47%); Fe2O3< 1%
Fiber Diameter: 3 – 4.5 microns
Fiber Shrinkage (1800°F, 3h): < 3.5%
Working Temperature : 1,800 °F. for Continuous Use, 2300 °F Maximum
Specific Heat (@2000°F): 0.27 Btu/lb °F
PH Range: 2-12
Production Process of Ceramic Fiber
Cvd Technique
CVD is a common production process to produce ceramic fibres. This process, deposition of a material's vapor phase on a core substrate. That is in the form of a monofilament. Tungsten and carbon C-type monofilaments are used as the core component. In the vapor phase, deposited material is the separation product of the gases.
Melt Spinning Technique
In the traditional melt-spinning production process, the precursor materials are melted and subjected to spinning process. Oxides in the molten state are forced throughout the nozzles during spinning process. At relatively high pressure it's solidified by cooling.
Slurry Spinning
This technique is developed to avoid lakings of melt-spinning method. Both oxide and non-oxide fibers are manufactured via spinning of ceramic slurries. In this process, the slurry is composed of three basic components: alumina particulates, suspension of alumina precursor, and organic polymer.
Chemical Conversion
Chemical conversion production process approach is based on the conversion of ceramic fibres into a different composition via chemical reactions. In this process, precursor fiber is subjected to the deposition of the external compound. That diffuses through the fiber surface. Final ceramic fibre exhibits the composition of desired chemical content, after the successful reaction.
C + Si → SiC
2C + SiO → SiC + CO
Preceramic Polymer Processing
Ceramic fibre have different types of elements such as silicon, carbon, nitrogen, boron, etc. The idea of preceramic polymer processing is based on the combination these elements.
Single-crystal Fiber Production
Single-crystal fiber production is used to fabricate specific type of products used in optical and electronic industries. Film-fed growth (FED) is one of common techniques to manufacture single crystalized ceramide with various shapes that grow from melt, solution, and vapor.
What's the difference between ceramic fiber paper gasket and ceramic fiber gasket
Price
Ceramic fiber gasket of the same size and thickness, ceramic fiber paper gasket is lower than ceramic fiber cloth gasket, although both are charged by weight, but the density difference is too big.
Surface
Ceramic fiber paper gasket, surface smoothness, good sealing, ceramic fiber cloth gasket surface grid shape, has certain permeability.
Effect
Although both are high temperature heat insulation gasket, but ceramic fiber paper on high temperature heat insulation gasket gasket, ceramic fiber cloth pads are more focused on the high temperature gasket wear resistance and repeated use.
Density
Ceramic fiber paper gasket density 200DP and ceramic fiber cloth pad density 500DP, the difference is different: the density of the ceramic fiber paper gasket density of 200Kg/m ceramic fiber cloth pad fand, density 500Kg/m fand around.
The condition of ceramic glass fiber at high temperature
This can only say that in general, but there are special circumstances, such as carbon fiber as a special case of ceramic fiber, it can form a fabric, its wide range of applications, from high temperature refractory materials, friction materials, insulation materials, structure of rocket radar stealthy materials to civilian fishing have its place to display.
Generally speaking, the glass fiber has low temperature resistance, and the biggest use is glass fiber reinforced plastic; the ceramic fiber has higher temperature resistance, and the biggest purpose is to be used as the structural material of refractory bricks, but generally it does not form fabric.
Generally, glass fibers can be pulled long and cut short when required. However, ceramics are difficult to control and difficult to grow because of technological conditions.
Glass and ceramic fibers are inorganic non-metallic materials, they are silicate, can be used as structural materials that emphasize mechanical properties, but also can be used as functional materials that emphasize photoacoustic magnetic properties, general glass is amorphous substance, the fibers are formed by melting under drawing while; ceramics is a crystal structure of the fiber by solution or melt into the crystal growth out of course, can also be formed by chemical synthesis or decomposition method.
Components of Ceramic Fiber
Alumina and Silica
The primary components of ceramic fiber are alumina (Al2O3) and silica (SiO2), which are naturally occurring minerals. These minerals are heated to high temperatures (up to 2000°C) and then subjected to a spinning or blowing process to form fibers.
Filler Material
Ceramic fiber may also contain a filler material such as zirconia, calcium oxide, or magnesium oxide. These fillers help improve the strength and thermal stability of the fiber.
Binder Material
A binder material such as clay or organic material is used to hold the ceramic fiber together. This binder is typically burned off during the manufacturing process, leaving behind a pure ceramic fiber product.
What's the Fire Resistance of the Ceramic Fiber
Because of the low heat conductivity, small density and light weight of the fiber, the light steel support structure is adopted in the design and construction of the kiln, which makes the development of the ceramic kiln into the lightweight era of the kiln. The fiber has small heat storage and is suitable for quick heating and cooling firing. Flexible fibers can be processed into products with grooves or openings, and has good resistance to mechanical shock and impact ability, chemical stability is good, these advantages for the development of new kiln, and spread to the development of ceramic industry, have an important role in promoting. The ceramic fiber products are: board, blanket, block, a variety of products like fiber, dispersion of fiber paper and vacuum forming, the work is generally in the range of 600~1430 deg. C, under special circumstances can be short-term use in the high temperature limit temperature above.
Where Is The Best Packing Area For Ceramic Fibers
As the temperature continues to rise, the products will gradually become white, organic fiber has been completely carbonized products completely for the high temperature inorganic ceramic fiber resistant ceramic fiber (standard type) white maximum temperature ceramic fiber cloth content index color 1260 C fiber, diameter 1-4 um thermal shrinkage (1232 C, 24h) 3.5%, transmission rate (at 538 8pcf) 0.130w/m.k, AL3O2 content 45-48% 0.7-1.2% ferric oxide content of calcium oxide and sodium oxide content of 0.43% slag ball content <8.5% breakdown voltage 5 kv/mm resistance of 5 * 1010 ohm 3w.xxceramic content index white color thickness 1.5mm--6.0mm single 0.5 3kg/ square meters of organic fiber content <20% content <2% strengthening materials alkali glass fiber nichrome wire (1Cr18Ni9Ti)
Compared with asbestos textiles, ceramic fiber textiles have the following advantages:1) the continuous use temperature can reach 1000 DEG C, and the service temperature can reach 1260 DEG C for a short time.2) has good acid and alkali corrosion resistance and aluminum, zinc and other molten metal melting ability.3) good high temperature strength and heat insulation performance (refer to physical and chemical indexes).4) ceramic fiber cloth, band, packing and other products with non alkali glass fiber yarn as strengthening material have higher insulation and high temperature electrical insulation than glass fiber.5) non-toxic, harmless and odorless.
Four Uses for Ceramic Fiber
Weatherstripping
Ceramic fiber is great as a weatherstripping material because it provides protection and it is suitable for high temperatures. It is white and odorless and can be made into high temperature insulated paper, tubing, braided packing materials, rope packing, blankets, and other useful items.
Hvac
Ceramic fiber-based boards are used in furnaces and kilns in industrial equipment. Since ceramic fiber has such a tolerance for high temperatures, it is a perfect insulation material and ideal perfect for these types of applications.
Transportation
Ceramic fiber is used frequently in the transportation industry because it is lightweight and is capable of withstanding high temperatures. Often in the transportation industry, ceramic fibers are used in conjunction with E glass. E glass is specialized and Si02 makes up of over 50% of its composition. The main network formers of the glass are B203 and Si02. E glass is used for lights, windows, sunroofs, and in other areas of an automobile.
White Goods
Items such as exhaust wrap, rope flagging, ceramic ladder tape, glass webbing tape, and hose and cables sleeving are considered white goods that are made from ceramic fibers. The ceramic fiber provides insulation so these items can be used. It is important, however, to be sure that ventilation is proper and adequate when these items are being used.
Ceramic Fiber Insulation: Manufacturing Ceramic Blankets
Supplied in rolls, ceramic fiber insulation blanket is highly formable, which makes it the perfect insulation for refractory machinery. It can fill voids, encapsulate machinery, and even be integrated into heating components.
Ceramic Fiber Insulation Material
Made primarily from high-temperature insulation wool produced from synthetic materials, ceramic fiber insulation can withstand temperatures that consistently exceed 1200°C. The synthetic material is densified, treated, and machined prior to application.
Ceramic fiber insulation is created from high-quality refractory ceramic fibers made from alumina silicate. The process takes various combinations of pure aluminum oxide (AL2O3) and silicon dioxide (SiO2) and melts them in an industrial furnace.
Ceramic fiber blanket is made by “needling” spun ceramic fibers that are longer and wider than fibers made via the blowing process. These fibers give spun ceramic fiber blanket higher rupture strength and greater tensile strength.
The Advantages of Ceramic Fiber Insulation Blanket
Ceramic fiber insulation blanket is malleable, an attribute users can amplify by treating the insulation with inorganic bonding agents. They can pack it into plastic to preserve high moisture levels before application.
The material has superior heat-controlling properties, which is why it works so well as insulation. Additionally, it can be stored at low heat and is entirely resistant to thermal shock.
Typical Applications
The ceramic fiber insulation blanket is frequently used as an industrial insulation material in addition to its uses in heat processing applications and high-temperature insulation because it has low thermal conductivity.
Additionally, the blanket provides sound absorption, contains no asbestos, and can be repaired simply and quickly. No curing or drying is required to create ceramic fiber blanket insulation.
The blanket also finds use in the ceramics industry for kiln car insulation and seals. The steel industry also widely uses it for heat treatment, annealing furnaces, and furnace door linings and seals. It can also facilitate furnace hot face repairs and serve as a cover for reheating furnaces and ladles.
Ceramic fiber insulation is used in the refining and petrochemical industry as a reformer and pyrolysis lining and for tube seals, gaskets, and expansion joints. Other uses include high-temperature pipe, duct, and turbine insulation as well as in crude oil heater linings.
The insulation is often used for reusable turbine coverings in the power generation industry as well as in the insulation of commercial dryers and ovens.
Special Uses of Ceramic Fiber
Protective Blanket: Protective Blanket: versatile substance used for controlling high temperatures. Consequently, protective blanket from ceramic fibre made is perfect protection direct exposure to flames. It widely used in to manufacturing operations, power, metallurgy and petrochemical industries.
Fire Retardant Structure: Ceramic fibre is commonly used in architecture to reduce the fire accident. Often, it's used in fire doors, furnace insulation, special heat resistant containers, high-temperature pipes, and so on.
Rope: This fiber has exterior strength to make a rope. It could be used in extreme thermal environment. Ceramic fibre made rope is also used as rope to support to attach various heat resistant structures.
Paper: Ceramic fiber in paper form is ideal for insulation purposes. It is used as packing materials for reducing friction. Nowadays, it's widely used as gaskets to keep out high temperatures.
Additive: Ceramic fibre is perfect for various architectural structures. It could be used for roofing, walls to surround different heating machines &equipment, other industrial structures that need to be heat resistant.
Keep It Clean: Regular cleaning of ceramic fiber will prolong its life. Use a soft brush or vacuum with a soft brush attachment to remove loose dust and dirt.
Avoid Direct Contact With Water: Ceramic fiber is resistant to high temperatures, but exposure to water can cause it to break down. Avoid direct exposure to water or steam as much as possible.
Handle With Care: Ceramic fiber can be brittle and break under stress. Handle it gently when transporting or installing it.
Monitor for wear and tear
Over time, ceramic fiber can begin to wear and tear. Inspect it regularly to look for signs of wear such as cracks and broken pieces.
Avoid excessive heat
Though ceramic fiber can handle high temperatures, excessive heat can cause it to lose its insulating properties. Monitor the temperature closely and avoid exposing it to extreme heat.
Replace as necessary
If the ceramic fiber becomes too damaged or worn, it may need to be replaced. Don't hesitate to replace it when necessary to maintain optimum performance.
Main refractory fiber products: ceramic fiber board, Inorganic board, Bio-Soluble board, Hydrophobic board, ceramic fiber blanket, ceramic fiber bulk, ceramic fiber paper, ceramic fiber module, ceramic fiber Special-shaped parts, ceramic fiber textile, nano thermal insulation board, calcium silicate board and polycrystalline mullite board and so kind of refractory and thermal insulation materials.
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