Ceramic Fiber Aluminum Silicate Blanket

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Specifications

Ceramic Fiber Blanket (CE,REACH,SGS)
Temperature:1140~1430C
Density:64~160kg/m3
Thickness:6~50mm
Length:3600-14640mm
  • Ceramic fiber blanket is manufactured from refractory ceramic fibres, providing effective solutions to a wide range of thermal management problems. Utilizing our proprietary high output blowing and spinning techniques, these products supply superior insulating performance, flexibility and resilience.

  • Ceramic fiber blanket presents unparalleled refractories and thermal insulation due to its long spun fiber needling technique,these blankets offer superior insulating performance,flexibility    and  resilience.Ceramic fiber blanket products are unaffected by most chemicals(except hydrofluoric and phosphoric acids and concentrated alkali).Thermal and physical properties are retained after drying following wetting by oil,steam or water.Ceramic fiber blanket products are completely inorganic,so there are no fumes when heating for the first time.

       Features

            High tensile strength and low shrinkage

            Good resiliency with low heat storage

            Low thermal conductivity

            Good sound aboption

        Application

             ·Annealing furnaces

             ·Furnace door linings and seals

             ·Soaking pit covers and seals

             ·Furnace hot face repairs

             ·Reheating furnace and ladle covers

         Technical Data Sheet

Description

STD RCF Blanket

HP RCF Blanket

HZ RCF Blanket

Chemical Composition (%)

Al2O3

≥44

≥45

≥34

SiO2

≥52

≥54

≥50

Fe2O3+TiO2

≤1

≤0.5

≤0.5

ZrO2

tr

tr

≥15

K2O+Na2O

≤1

≤0.2

≤0.2

Physical Properties

Density (kg/m3)

96

128

96

128

160

96

128

160

Classification Temperature ( 0C )

1260

1260

1430

Fiber Diameter ( um )

3.5

3.5

3.5

Shot Content ( % )

≤15

≤15

≤12

Linear Shrinkage after heating ( % )

1000°C*24h≤2.5

1100°C*24h≤2.5

1350°C*24h≤3.5

Thermal Conductivity (W/m.k) @200 C

0.055

0.057

0.068

0.061

0.052

0.073

0.068

0.064

Thermal Conductivity (W/m.k) @400 C

0.090

0.095

0.124

0.114

0.101

0.138

0.122

0.118

Thermal Conductivity (W/m.k) @500 C

0.119

0.123

0.145

0.135

0.12

0.179

0.153

0.149

Thermal Conductivity (W/m.k) @600 C

0.152

0.158

0.202

0.191

0.175

0.233

0.184

0.172

Tensile Strength (Kpa)

0.04

0.05

0.05

0.06

0.075

0.05

0.06

0.075

       

Standard Specification

  • Length: 14640/7620/7320/7200/3810/3600/3660mm

  • Width:   600~1220mm

  • Thickness: 13~50mm


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Q:What are the features of ceramic fiber module?
It has good chemical stability; excellent thermal stability and good elasticity. When ceramic fiber module is in a state of prepressing and after the furnace lining is completed, the expansion of the ceramic fiber module makes lining seamless and can compensate the shrinkage of fiber lining so as to improve the heat-insulating performance of fiber lining. The overall performance is good; It possesses excellent thermal stability and thermal shock resistance; Ceramic fiber module is quickly installed. The anchoring parts are set on the cold face of wall lining to reduce the requirements of anchoring parts materials.
Q:How is the quality of ceramic fiber vermiculite cloth?
The quality is good. The refractory temperature of ceramic fiber vermiculite cloth is 1200-1450 degree. Ceramic fiber is a kind of fibrous lightweight refractory material with light weight, high temperature resistance, good thermal stability, low thermal conductivity, low specific heat and mechanical shock resistance and other advantages, so it is widely applied in industries such as machinery, metallurgy, chemical engineering, petroleum, ceramics, glass and electronics.
Q:What is the thickness of ceramic fiber paper?
The density of ceramic fiber board is 280-320kg/m3. Ceramic fiber board is made by wet vacuum forming process, whose strength is higher than that of fiber blanket and vacuum forming felt. And it can be applied in such high temperature field that requires products with rigid strength. Here follows its features: high compressive strength and long service life; low thermal capacity and conductivity; non-brittle material and good flexibility; accurate size and good flatness; easy to cut, install and work; high resistance to weather; continuous production, uniform distribution of fiber, and stable performance; excellent sound-absorption and noise reduction.
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 are the ceramic fiber products?
The previous form is ceramic fiber blanket. All kinds of ceramic fiber products are made by drawing, bandaging and processing ceramic fiber cotton. For example, ceramic fiber board is made by bandaging ceramic fiber cotton, and ceramic fiber module is made by processing ceramic fiber cotton. Many ceramic fiber products are made from ceramic fiber cotton and all kinds of ceramic fiber products appear through processing, so the material and construction skills of ceramic fiber cotton becomes the main factor of high quality ceramic fiber products.
Q:Who knows the advantages of the far infrared ceramic fiber?
The heat transfer form of far infrared ray is to transfer heat by radiation and transfer energy by electromagnetic waves. When the heated object is shone by far infrared ray, a small portion of the radiation is reflected back and the vast majority is penetrated into the heated object. It greatly saves energy and is easy to make.
Q:What’s the density of ceramic fiber board?
The density of ceramic fiber board is 280-320kg/m3. Made by adopting wet process and vacuum forming techniques, the ceramic fiber board is higher in strength than the fiber blanket and vacuum forming felt, and it applies to high temperature fields with requirement on rigidity and strength of products. The ceramic fiber board has high compression strength and long service life, low thermal capacity and heat conductivity, non-brittle material quality and good toughness, accurate dimension and good flatness, easy cutting and installation, and good anti-wind erosion properties. With continuous production and uniform distribution of fibers, it has stable performance and fine sound absorption and noise reduction properties.
Q:What industries is ceramic fiber material applicable to?
Ceramic fiber material is applicable to the following industries: 1. Electrical equipment industry: wood-burning stoves, electric and heat insulation materials of electrical heating equipment, and sealing gaskets of all sorts of electrical components; 2. Glass and ceramic industries: industrial furnaces, the furnace body sealing, and molten and hot bending glass demoulding; 3. Petrochemical industry: thermal insulation of transmission lines and high-temperature pipelines. All these industries need to use the ceramic fiber material.
Q:What is the feature of ceramic fiber gasket?
Ceramic fiber gasket is a fibrous and light material with such advantages as light weight, resistance to high temperature, good heat stability, low thermal conductivity coefficient and specific heat, resistance to mechanical shock, etc.
Q:What’s the difference between the ceramic fiber and glass fiber?
Glass fiber is a kind of inorganic nonmetallic material with great varieties. It has the advantages of good insulation, strong heat resistance, excellent corrosion resistance and high mechanical strength. But brittleness and poor abrasion resistance are its defects. As a category of the glass fiber, glass wool is a kind of manmade inorganic fiber. As a result of fibrosis of the molten glass, cotton shaped material, glass wool, whose chemical composition is glass, is formed. As inorganic fiber, it’s characterized with good shape, small volume density, low thermal conductivity, thermal insulation, sound absorption, corrosion resistance and stable chemical properties. Ceramic fiber blanket is also called alumina silicate fiber blanket. One of its main components is alumina, and alumina is the major component of porcelain, so it’s called ceramic fiber.

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