Preparation of Refractory Fiber Cardboard for Building Insulation

Sha Wang; Chuan Shan Zhao; Dai Qi Wang; Wen Jia Han

doi:10.4028/www.scientific.net/AMM.357-360.1295

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 357-360Preparation of Refractory Fiber Cardboard for...

Preparation of Refractory Fiber Cardboard for Building Insulation

Abstract:

A kind of refractory fiber cardboard functioning as building insulation materials was developed. To improve the cardboard abilities to bear high temperature, sepiolite and alumino-silicate fibers were chosen as the raw materials for making refractory fiber carboard. In addition, inorganic adhesives and PVA fiber were used as bonding agents to enhance the physical strength of cardboard. The effect of bonding agents amount on tensile strength of the cardboard were investigated. When choosing inorganic adhesives and PVA fibers as the adhesives, the optimum condition is that amount of aluminum sol and PVA fibers is 30%and 3%-4% by weight, respectively; The best technical conditions for making the refractory fiber cardboard were determined. When the mass ratio of alumino-silicate fibers, sepiolite fiber, PVA fibers is 90: 6: 4, the physical strength of refractory fiber cardboard can be up to 1.556N·m/g. When the bulk density of the cardboard is 305.8kg/m³, the thermal conductivity of insulation cardboard at 200°C is very low, which is only 0.065W/m·K.

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Periodical:

Applied Mechanics and Materials (Volumes 357-360)

Pages:

1295-1299

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.357-360.1295

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Online since:

August 2013

Authors:

Sha Wang, Chuan Shan Zhao, Dai Qi Wang, Wen Jia Han*

Keywords:

Alumino-Silicate Fiber, Refractory, Sepiolite Fiber, Tensile Strength, Thermal Insulation

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