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There were experiments with gluing plywood with phenolic resins, mostly in the form of an alcoholic solution or powder, which, however, did not provide sufficient accuracy of application. Around 1930 a dry process of gluing veneers to plywood with phenolic resin in form of a film has begun to spread in the production of waterproof plywood. [9] [10]
Another use of phenolic resins is the making of duroplast, famously used in Trabant automobiles. Phenolic resins are also used for making exterior plywood commonly known as weather and boil proof (WBP) plywood because phenolic resins have no melting point but only a decomposing point in the temperature zone of 220 °C (428 °F) and above.
Gross Income, Net Profits, Production, and price index in the Lumber Industry 1920 -1934 [57] Year Gross Income (In Millions Dollar) Net Profit (In Millions Dollar) Production (In Board feet) (In Millions) Wholesale Price Index (1926=100) 1920 3,312 N/A 35,000 N/A 1922 2,402 167 35,250 N/A 1924 2,835 132 39,500 99.3 1926 3,069 117 39,750 100.0 1928
Tego film plywood products were used in aircraft manufacture in Germany during World War II, and the loss of the plant during a 1943 bombing raid was a serious blow to several aircraft projects. Tego film was an invention of the Essen, Germany, firm of Th. Goldschmidt AG [1] later Evonik Industries [2] ) .
The median price increase of the drugs being hiked Jan. 1 is 4.5%, which is in line with the median for all price increases last year. Drugmakers to raise US prices on over 250 medicines starting ...
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Price Target: $120, reiteration "The 'Walmart winning' theme continues, though high market expectations and 2025 guidance that was weaker than consensus weighed on the stock. But nothing has changed.
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