Ceramic Fiber Wet Felt

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Product Description:

The wet felt is made from ceramic fiber blanket and inorganic bonder resulting in a flexible insulation that air dries to a hard, rigid structure, ideal for insulation of complex shapes, resistant to high hot gas velocities. The material is packaged in a clear polyethylene bag to retain the wet binder during shipment and storage. Care should be taken to prevent freezing of the product. Curing to remove water in the product can be accomplished by air drying for some days or by immediate temperature exposure in the application.

Classification Temperature    1260°C, 1400°C, 1430°C, 1500°C
Dry Density: 200-300kg/m3

Advantages

Easy to wrap, shape or cut

Excellent resistance to hot gas erosion

Resistance to thermal shock

Low thermal conductivity

Resistant to chemical attack

Availabilities


Thickness: 6-25mm
Applications


Hot face lining resisting hot gas velocities
Hot gas duct linings
External and internal pipe insulation
Recuperator linings
Reformer header insulation
Blow pipe linings
Tube weld protection


PRODUCT


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Q:What industries is ceramic fiber material applicable to?
Ceramic fiber material is generally used for thermal insulation. It can be applied to all high temperature industries, such as petrochemical industry, steel and chemical fertilizer industries, casting industry, glass and cement industries, etc.
Q:What’s soluble ceramic fiber?
1. As a fibrous light refractory, the ceramic fiber is combined with excellent performance of traditional thermal insulation material and refractory material. Involved in many areas and widely used in various industry departments, its product can be seen as base material used to improve the thermal performance of thermal equipment like the industrial furnace and heating device, and realize structure lightening and energy saving; 2. It boasts low thermal conductivity, good thermal stability and chemical stability without corrosivity. The brake lining made from the fiber possesses high temperature resistance and dispersity, and is suitable for all sorts of blender mixers to stir; 3. It’s applicable for brake linings with requirements on high temperature resistance, thermal recovery and little noise in the brake area.
Q:What are the specifications of ceramic fiber packing?
5 x 5mm-200 x 200mm. It is usually woven by a soft stringy material. Sealing is achieved by filling seal cage with stripes whose cross-sectional area is square. Packing is divided into aramid packing, graphite packing, anti-sunction packing, high water-based fluid packing, carbon fiber packing, aramid carbon fiber packing, aramid anti-sunction packing, ramie packing.
Q:What’s the difference between heat preservation and heat insulation ceramic fiber blanket and rock wool blanket?
The difference between heat preservation and heat insulation ceramic fiber blanket and rock wool blanket: refractory ceramic fiber material is a kind of lightweight and efficient heat preservation and heat insulation material. Its advantages are as follows: the volume and density of ceramic fiber as lining are low. Ceramic fiber lining is 75% lighter than lightweight insulating brick lining and 90%-95% lighter than lightweight castable lining. If fiber lining is adopted, steel structure load of furnace can be greatly reduced and the service life of the furnace can be prolonged. Heat capacity (heat storage) of ceramic fiber as lining is low: Heat capacity of ceramic fiber is about 1/10 that of lightweight and heat resistant lining and lightweight castable lining. Heat capacity of furnace lining material is proportional to the weight of the furnace lining. Low thermal capacity means that furnace absorbs less heat in the reciprocating operation and, at the same time, the speed of warming gets faster, which greatly reduces the energy consumption of the furnace temperature operation and control and especially plays a very significant role in energy saving effect in the starting-up and blowing-out of heating furnace. Thermal conductivity of ceramic fiber as lining is low: When the average temperature is 400℃, 600℃ and 1000℃, thermal conductivity coefficient of ceramic fiber as lining is less than 0.1w/mk, 0.15w/mk and 0.25w/mk respectively, which is 1/8 that of lightweight fireclay brick and 1/10 that of lightweight and heat resistant lining. Ceramic fiber as lining has prominent insulation performance. Ceramic fiber as lining is easy to construct: Expansion gap is not needed during the construction process. Construction personnel can start to work after basic training and construction technology has little effect on the heat insulation effect of lining.
Q:What is the difference between nanometer ceramic board and ceramic fiber board?
Ceramic fiber board, also called aluminum silicate fiber board, is a kind of refractory material. It still keeps good mechanical strength even after heating. Compared with fiber blanket and fiber felt, it is rigid and a fiber thermal insulation product with supporting strength. Features: Apart from the excellent performances owned by the corresponding diffuse ceramic fiber cotton, it has solid quality, good toughness and intensity, excellent ability to resist wind erosion. It isn’t bulgy when heating, light in quality, easy to construct and arbitrary to cut and blend. It is the ideal energy-saving material of furnace, pipe and other insulation equipment. 1. high crushing strength and long service life; 2. low thermal capacity and low thermal conductivity; 3. not brittle material and good toughness; 4. precise size and good smoothness; 5. Easy to cut, install and construct; 6. excellent ability to resist wind erosion; 7. continuous production, even fiber distribution and stable performance.
Q:Who knows well about which is better in thermal insulation between aluminum silicate ceramic fiber cotton and asbestos?
Certainly the asbestos has better thermal insulation effect. External wall insulation rock wool board is specially designed and manufactured for the buildings’ external wall insulation thin plastering system, and it applies to external wall insulation, energy conservation and renovation of the newly-built or existent buildings with compact structure of the concrete or brick wall as the basic foundation. External wall insulation rock wool board is dedicated to external wall insulation. As superior incombustible, fireproof and thermal insulation material, it has the advantages of higher compression resistance and tensile strength, lower hygroscopicity, good dimension stability with no thermal expansion or shrinkage, and ageing resistance. It can adapt to the external wall system, and provide many properties of effective thermal insulation and energy conservation, fire protection and extreme climate protection for buildings. Rock wool is incombustible, and won’t give out heat or toxic fumes. It can cut off the flame spread in an effective way when fire occurs. It has superior fire resistance. With superior thermal insulation and heat-shielding performance, it is capable of increasing the thermal resistance of the building envelope, reducing buildings heating and air-conditioning energy consumption, and saving energy and reducing emission. It doesn’t produce corrosion to metallic materials like carbon steel, aluminum (alloy), copper, or all kinds of building components either. It has physical properties of efficient sound absorption, noise reduction and elastic damping. With low hygroscopicity and ageing resistance, it can keep long-term stability. It is also lightweight, and easy to cut, saw and install.
Q:What is the difference between ceramic fiber insulated cotton and aluminum silicate cotton?
Aluminum silicate ceramic fiber thermal insulated cotton Specification: fiber diameter: 3-6um Model: JSGW-111 JSGW-112 JSGW-113 Parameter: shot content≤10 Performance: low heat conductivity; low heat capacity; excellent chemical stability; erosion resistance; good sound absorption and heat stability. Usage: raw material of industrial ceramic fiber wet forming products; raw material of ceramic fiber formless products; high temperature industrial furnace, heating equipment, filling materials of wall lining. It is the first option for producing fiber textile, and also the ideal material for high temperature environment sealing, filling and thermal insulation. Material: Aluminum silicate products Package: Woven bag (grain cotton: plastic bag)
Q:What is the difference of ceramic fiber asbestos cloth?
Ceramic fiber cloth is resistant to high temperature and heat shock, low in heat conductivity coefficient and heat capacity; excellent high temperature insulation performance and long service life; able to resist the erosion of non-ferrous metal like aluminum and zinc; excellent low and high temperature strength. It is made from asbestos cotton. Owing to its noninflammability, once on fire, it can erase dirt on the cloth.
Q:What is the feature of ceramic fiber gasket?
Product features: 1)Continuous use temperature can reach 1000℃ while short time using temperature is up to 1260℃.2) It is highly resistant to acid-base corrosion and molten metal (eg. aluminum and zinc) erosion. 3).It is good in high temperature strength and thermal insulation properties (please refer to physical and chemical indicators.) 4) It is better in electricity insulation than glass fiber. 5) It is non-toxic, harmless and odourless.
Q:What are the ceramic fiber products?
Ceramic fiber is produced by double needling technique and is widely used in high and low temperature environment. According to the different manufacturing technique used in market, ceramic fiber blanket is usually divided into two kinds. One is thread throwing blanket, and the other is injection fiber. 1. The diameter of the fiber filaments: Thread throwing fiber is much coarser. Thread throwing fiber is generally 3.0-5.0;micro;m; Injection fiber is generally 2.0-3.0;micro;ml. 2. Fiber length: Thread throwing fiber is much longer. Thread throwing fiber is generally 150-250mm. Injection fiber is generally 100-200mm. 3. Coefficient of thermal conductivity: Injection blanket is superior to thread throwing blanket because of its thin fiber. 4. Tensile and flexural strength: Thread throwing blanket is superior to injection blanket because of its coarse fiber. 5. Application of making ceramic fiber block: It is superior to injection blanket because the fiber of thread throwing blanket is much coarser and longer. Injection fiber blanket is easy to be broken and torn during the process of block production folding, while thread throwing fiber blanket can be tightly folded and cannot be easy to damage. The quality of the block will directly affect the quality of the lining. 6. The vertical layer spread application of large pieces of blankets such as heat recovery boiler: Thread throwing blanket has better tensile resistance and is more durable due to its coarse and long fiber filament, so thread throwing blanket is superior to injection blanket.

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