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History of the Forest Products Laboratory

Interview #992: Lulling, Robert M. (June, 2009)

View all of First Interview Session (October 15, 2008), disc 1

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00:20:34 - 00:23:30 Projects

projects, fiberglass, Timber Mechanics

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00:20:34

RL

Some of our work also included working with fiberglass and fiberglass had to be prepared also. Now it is considered to be a non-porous material too and it's impregnated with an adhesive and then pressed [miscellaneous audio from another interview---00:20:54-00:20:58] thickness variation, the thicknesses. We found out that it was not necessary to etch the glass but it was necessary to dull the surface. Once the surface was dulled with sanding mostly, it was successful to glue it with the epoxy resin under various conditions. We made the specimens that were subjected to various heat and cold conditions over in Timber Mechanics, they had ovens over there that could provide the type of environment that would cool or heat the specimen and then they were tested in an oven and of course all the fiberglass is subjected to hot temperatures, 1200° coming in to our atmosphere. So that was part of the work done here at the Laboratory and the Laboratory never got very much credit, still now it's not credited. We had people in, when we would talk to them, one of the first questions they asked us---well what does the Forest Products make? Well the Forest Products does not make anything, they experiment, they do research with things that are already made or they produce specimens to test under various conditions in order to accumulated data, which is then put in to a reading material and the industry, engineering most generally, used that data that we provided them. I was responsible in some cases to give information for publication in that handbook, which was mostly data that we obtained in our test program. Hey I'm on page four already [chuckles].

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