Composition of a material based on mineral fibers
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United States of America Patent
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Feb 10, 1981
Grant Date -
N/A
app pub date -
Jul 3, 1978
filing date -
Jul 8, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A material of the board type for various thermal shielding applications preferably contains 10 to 50% by weight of a mineral substance based on silica or silicates in fibrous form prepared from the fused substance, 10 to 70% by weight of clay, if necessary 10 to 60% by weight of a mineral having a needle-like crystal structure, and a small proportion of an organic binder for maintaining the mineral constituents in a coherent structure at least during fabrication, conversion and utilization of the end product. The total quantity of organic substances does not exceed 8% by weight of dry substances. The material has high temperature strength by virtue of the combination of an organic binder with a mineral binder and also has good dimensional stability.
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