Karadeniz’e Kıyısı Olan Ülkelerden İthal Edilen Huş ve Yerli Kayın Tomruklarından Üretilen Kontrplakların Mekanik Özelliklerinin Karşılaştırılması
Comparison of the Mechanical Properties of Plywood Produced from Native Beech Logs and Birch Imported from Countries in the Coast to the Black Sea

Summary/Abstract: lywood is usually used in the production of some common species such as beech, alder, poplar, spruce, pine, okume, tetra, ozigo and other tropic species. Because of the beech tree is often used species in ourcountry brings the high cost of raw material supply. Therefore, the use of different tree species, emphasizes the necessity to manufacture plywood. In this study, birch wood, an important tree species which is particularly used in Europe, the Baltic States, Poland, Belarus and Russia in plywood industry was investigated compared with beech wood. For this aim; the plywood panels (beech, birch and birch-beech) produced from the veneers obtained from birch imported in Ukraine and native beech logs using urea formaldehyde and melamine urea formaldehyde adhesives were compared. Shear strength and bending strength of plywood panels were determined according to TS EN 314-1 and TS EN 310. As a result of the study, the mechanical properties of the plywood panels produced from birch veneers gave close close values according to beech plywood. It was seen that it met the required standard values according to the place of use.

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