Word: presdwood
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Dates: during 1930-1939
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...press, hurried back, when he remembered, to remove it. Meantime a cranky steam valve had permitted the press to grow hotter and heavier with the result that Inventor Mason found, instead of a fibrous board, a dense, grainless, rigid sheet of material, which, in its present refined form of "Presdwood," accounts for 70% of Masonite's business. The other 30% is in fibre insulating board...
...heat and pressure applied. In neither case is there anything added to the pulp, the natural lignins in the original wood serving as the sole binder. In its early days Masonite used to sell more insulating board than hard board but a steady accumulation of new uses for Presdwood has changed the story. Last year 100 carloads of Presdwood were sold to Hollywood producers for scene sets, 200 carloads to the automobile industry, another 200 carloads to trailer makers. A relatively new outlet is for concrete forms. Twelve manufacturers fabricate it as artificial tile, and the toy industry takes...
...Inventor Mason did, that hard board could be made from materials other than wood. By giving his sugar cane a little more heat and pressure, he too got a dense, rigid board. But Masonite sued and won, which meant that if anyone wanted hard board they had to buy Presdwood...
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