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The reason why ceramic fiber paper with low thermal conductivity

Categories: FaqStars: 3Stars Visit: - Release time: 2016-07-22 16:00:00
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     CCEWOOL ceramic fiber paper is also known for aluminum silicate fiber paper, made from 9 shot-removal process. With the advantages of low thermal capacity, low thermal conductivity, excellent electrical insulation properties, excellent machining performance, high strength, tear resistance, high flexibility and low shot content.

1. Fiber’s heat transfer and conduction

     Since ceramic fiber paper’s fibers interwoven and no direction, there are various directions of the fibers. And the heat is transferred along the fiber, and few fibers are perpendicular to the hot face. In addition, fibers overlap between each other, which increases the thermal resistance. So thermal effects of heat within the ceramic fiber paper is not obvious.

2.Fiber’s radiative heat transfer

     CCEWOOL ceramic fiber paper’s fibers are not transparent that the heat rays can not penetrate the fibers and the fibers are very small and thin. Then it can not be well accepted heat radiation, so the heat transfer effect is not obvious.

3. The gas’s convective heat transfer

     Because ceramic fibers overlap with each other, so the ceramic fiber paper formed a lot of inside gas storage. The gas warehouse stores large amounts of air that causing air can not flow freely, generally is relatively static. Gas’s heat absorption can only propagating inside the gas, because gas has a very small thermal conductivity in the stationary state, so the ceramic fiber paper transfers the heat by gas is impossible.

As CCEWOOL ceramic fiber paper with low thermal conductivity is widely used in below industry:

     Automotive and aerospace heat shields;

     Gaskets for ovens, stoves, heaters and other appliances;

     Automotive muffler insulation;

     Investment casting mold wrap;

     Insulation material for instruments and heating element.

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