Patent ID: 8039077

Claim:
An article of manufacture consisting of: a cured fiberglass batting having a first surface and a second surface, a monoammonium phosphate or diammonium phosphate powder, a first polymeric film, and a second polymeric film; wherein (i) the cured fiberglass batting consists of glass fibers and a binder, (ii) the glass fibers having a diameter of about 2 to about 9 microns and a length of about 0.25 inch (0.63 cm) to about 3 inches (7.62 cm), (iii) the first polymeric film is in contact with and at least partially embedded in the first surface of the cured fiberglass batting, (iv) the monoammonium phosphate or diammonium phosphate powder is salted onto the second surface of the cured fiberglass batting in an amount ranging from about 0.5 grams to about 5 grams of active ingredient per square meter, and (v) the article of manufacture has a Noise Reduction Coefficient of 0.65 or higher, when tested in accordance with ASTM C 423.