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    Author(s): Robert R. Stevens; George E. Woodson
    Date: 1977
    Source: Forest Products Journal, Vol. 27(1): 46-50
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (1.10 MB)

    Description

    The effects of two curing methods-high-frequencey heating and hot-platen heating-on the properties of a ureaformaldehyde-bonded medium-density fiberboard prepared with a southern-hardwoods furnish (50% southern read oak, 25% mockernut hickory, and 25% sweetgum) were studied. Boards of three densities-38, 44, and 50 lb./ft3-were cured by the two heating methods. IB strength of the high-frequency-cured boards was greater than that of the hot-platen-cured boards at all density levels. Bending properties of the high-frequency-cured boards exceeded those of the hot-platen-cured boards at the highest density level, only. There were no significant differences attributable to the two curing methods in tension parallel to the surface, linear expansion, and thickness swelling.

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    Citation

    Stevens, Robert R.; Woodson, George E. 1977. High-frequency and hot-platen curing of medium-density fiberboards. Forest Products Journal, Vol. 27(1): 46-50

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