PHENOLIC FOAM BOARD
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United States of America Patent
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app pub date -
Oct 20, 2014
filing date -
Jan 30, 2006
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Abstract
A rigid insulating phenolic foam body has at least one perforated facing. The facing is preferably perforated before the facing is adhered to the foam body. The facing may be a gas impermeable material such as a metallic foil. The perforations in the gas impermeable material reduce the drying and curing time, for phenolic foam bodies when compared with phenolic foam bodies with gas permeable facings.
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