Acoustically tunable sound absorption articles and methods...

Details Acoustically tunable sound absorption articles and methods... Acoustically tunable sound absorption articles and methods...

G - Physics

10

K

G10K 11/162 (2006.01) G10K 11/168 (2006.01)

Patent

CA 2759303

A moldable acoustic facing comprises cellulosic fibers and synthetic fibers entangled together. The acoustic facing has a basis weight of from about 1.5 to about 5.0 ounces per square yard (osy), a thickness of less than about 0.050", a mean pore size of between about 8 microns and about 40 microns, and an elongation at break of at least twenty percent. The acoustic facing includes less than about five percent synthetic microfiber and has an acoustic resistance of at least about 250 Rayls.

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