A simplified test for adhesive behavior in wood sections exposed to fire
Forest Products Laboratory, 1968 - House & Home - 12 pages
The report describes a test to evaluate behavior of various adhesives near fire-exposed surfaces in laminated constructions. Included are results obtained on six adhesives in two wood species. (Author).
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1-inch-thick plate 40 percent urea 60 percent Melamine 60 percent melamine-40 65 percent relative adhesive behavior adhesive bond adhesives in laminated adhesives that maintain behavior under fire bond lines bond strength casein cd cd CD la CD char zone base char-wood interface conditioned to equilibrium degradation index delaminate or separate depth Actual Proportion depth of separation-delamination Douglas-fir and southern exposure to fire fire exposure fire resistance fire test fire-exposed surface flame ft ft gluelines gluing condition half specimen ion i ndex maintain bond throughout Maximum separation depth melamine-40 percent urea normal wood zone obtain a degradation percent melamine-40 percent percent relative humidity percent urea Urea phenol-resorcinol polyvinyl pyrolysis zone thickness pyrolyzed relative humidity room residual bonded area sections of laminated separation depth Actual simple test Six adhesives southern pine species test method test procedure test specimen thermal types of adhesives wing-top wood failure estimates wood failure presence wood sections