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Effects Of Bleaching And Impregnation Processes On The Hardness Of The Varnish Layer In Beech Wood, Yalçin Örs, Musa Atar
Effects Of Bleaching And Impregnation Processes On The Hardness Of The Varnish Layer In Beech Wood, Yalçin Örs, Musa Atar
Turkish Journal of Agriculture and Forestry
This study was performed to determine the effects of bleaching and impregnation processes on the hardness of the varnish layer in beech wood. For this purpose, samples were impregnated with Tanalith-CBC and Immersol-WR 2000 and bleached with the solution groups (18%) NaOH+H_2O_2, NaOH+ Ca(OH)_2 +H_2O_2, NaOH+ MgSO_4+ H_2O_2, NaHSO_3+H_2C_2O_4.2H_2, NaSiO_3 +H_2O_2, KMnO_4 +NaHSO_3+H_2O_2. Synthetic varnishing was used and the hardness of the varnish layer was determined according to ASTM-D-4366. The mean hardness values (swing) of the control samples were found to be 35.57 for unimpregnated and varnished samples, 23.50 for samples treated with solution groups and varnished samples, 45.78 for …