The high-temperature polycrystalline alumina composite fiber felt product uses polycrystalline alumina fibers as the main raw material, supplemented with auxiliary materials. Produced according to user requirements for shape, size, and bulk density, suitable as various high-temperature insulation, sealing, and joint filling materials.

Product Introduction

The products are fabricated by wet vacuum filter shape method, using polycrystalline alumina fiber as main starting materials, adding organic and inorganic binding . Special shaped products with different volume weights and specifications can be produced in accordance with design drawing of user. It have the feature of lexible,lower thermal conductivity and volume weight and suitable for insulating materials, high temperature sealing materials and joint sealing materials of various high temperature kilns and furnaces.

Product specification

Application
Used as high temperature sealing materials, joint sealing materials, thermal and electric insulating materials of various high temperature kilns and furnaces.
Product specification，mm
600×400×5-80
900×600×5-80
Special shaped products can be produced in accordance with design drawing of user.
Product Features
● Excellent high-temperature stability;
● Has minimal heating changes;
● Low slag ball content, good fire resistance and thermal insulation performance;
● Excellent heat reflection performance;
● Low thermal storage and low thermal conductivity;
● Uniform fiber diameter and high tensile strength;
● Strong wind erosion resistance;
● Good high-temperature flexibility, excellent resistance to thermal shock and mechanical vibration;
● Chemical stability and strong corrosion resistance.

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