Hot pressed wood panels made with modified novolak resins have burnthrough time of 450 s as compared to 280 s for products using conventional novolak resins. Incorporation of inorganic filler reduces flame spread index of panels from more than 200 to 60 or 70.
Fire-resistant wood composites
NASA Tech Briefs ; 3 , 4
1979-03-01
Sonstige
Keine Angabe
Englisch
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