Sealing members and method of producing the same
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United States of America Patent
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N/A
Issued Date -
Nov 10, 2005
app pub date -
Feb 9, 2005
filing date -
Feb 10, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A sealing member comprising an elastic sheet having a density in the range of 100 to 250 kg/m.sup.3. The elastic sheet is obtained by reacting and curing a polyurethane-foam raw material which is provided by mixing 100% by volume of a resin raw material and 300% by volume or more of a foam-forming gas, in which the resin raw material includes polyol and isocyanate as a main raw material and a foam stabilizer as an auxiliary material, and the like. The compression load deflection at 50% of the elastic sheet is in the range of 0.003 to 0.025 MPa, and the compression load deflection at 75% thereof is in the range of 0.02 to 0.40 MPa.
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