{"id":37459,"date":"2023-02-13T13:45:29","date_gmt":"2023-02-13T08:15:29","guid":{"rendered":"https:\/\/plyinsight.com\/?p=37459"},"modified":"2023-02-14T14:53:34","modified_gmt":"2023-02-14T09:23:34","slug":"moisture-content-in-veneer-timber-before-hot-pressing","status":"publish","type":"post","link":"https:\/\/plyinsight.com\/hi\/moisture-content-in-veneer-timber-before-hot-pressing\/","title":{"rendered":"Moisture Content in Veneer &#038; Timber before Hot Pressing"},"content":{"rendered":"<p><span style=\"color: #ff6600;\"><strong>Why drying of veneer, block board and flush door filler to particular moisture content is necessary?<\/strong><\/span><\/p>\n<hr \/>\n<p><span style=\"color: #ff6600;\"><strong>What are the effects of over\/under drying of veneer\/wood while making multilayer panel?<\/strong><\/span><\/p>\n<hr \/>\n<p><span style=\"color: #000000;\">Drying is a process in which moisture in wood is removed in the form of water vapour by application of heat or at normal air temperature. The purpose of drying veneer is to reduce its moisture content to a range suitable for gluing and making panels. The word &#8216;suitable&#8217; moisture content in wood is indicative in the sense that wood\/veneer should not be at zero moisture content nor at moisture content higher than &#8216;suitable&#8217; to attain good bonding while making panel.<\/span><\/p>\n<p><span style=\"color: #000000;\">Does it mean two wood surfaces cannot be bonded with adhesive if moisture content in wood is zero? No, two wood surfaces can be bonded with adhesive when there is no moisture in wood. But it is necessary to understand why certain amount of moisture has to be present in wood while making multilayer panel by curing the resin polymer at elevated temperature.<\/span><\/p>\n<p><span style=\"color: #000000;\">In making of plywood, assembly of veneer is pressed between two hot platens under pressure. During the period of hot pressing following things happen:<\/span><\/p>\n<p><span style=\"color: #000000;\">i) Under pressure pieces of veneers in the assembly are held in places with surfaces one layer in close proximity to the surface of the adjoining layer;<\/span><\/p>\n<p><span style=\"color: #000000;\">ii) Part of the glue from glued veneer penetrate to non-glued (Panel) veneer and major quantity of glue gets spread between two layers of veneer in the assembly;<\/span><\/p>\n<p><span style=\"color: #000000;\">iii) Resin in the glue mix gets cured into rigid mass, fix the veneers in the assembly in respective places and hold veneer rigidly to form a sheet product.<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Role of moisture: i)<\/strong> During assembly of veneer, glue is applied on glue core and then glue core and panel core are arranged in alternate layer. Under pressure when the glue core surface and panel core surface come in close contact, dry panel core will suck moisture from more wet glue core and in this process a part of the glue will also move into porous panel veneer and deposit in the pores of panel core. As the resin in the glue mix cures during hot pressing, the glue in the pores get cured along with that in the glue line to form tentacles which remains rigidly attached to the glue line between two layers of veneer.<\/span><\/p>\n<hr \/>\n<p><span style=\"color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-37464 aligncenter\" src=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-13-135856-300x203.jpg\" alt=\"Moisture Content in Veneer &amp; Timber before Hot Pressing\" width=\"433\" height=\"293\" srcset=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-13-135856-300x203.jpg 300w, https:\/\/plyinsight.com\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-13-135856-18x12.jpg 18w, https:\/\/plyinsight.com\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-13-135856.jpg 448w\" sizes=\"auto, (max-width: 433px) 100vw, 433px\" \/><\/span><\/p>\n<hr \/>\n<p><strong><span style=\"color: #000000;\">If moisture content in veneer is zero then it will suck more moisture from glue along with resin (which is water soluble) leaving very small quantity of glue in the glue line. This will lead to poor bond between veneers of opposite layers. On the other hand, higher moisture in veneer will lead to formation of blister and\/or steam pocket in plywood as the total steam formed during hot pressing will not get time to escape during scheduled period of hot pressing.<\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\">ii) In making plywood, glue is cured by application of heat. During hot pressing heat is applied on the two surface layers of the assembly by the hot platen of the hot press. Wood is non-conductor of heat, and hence, veneer cannot transfer heat from surface to inner layers in a multiply plywood assembly. It is the moisture in the veneer and glue which form steam and transfer heat from surface to inner layer of glue line. <\/span><\/p>\n<p><span style=\"color: #000000;\">In the case of 18mm or 19mm plywood it takes about 3 to 4.5 minutes for the inside glue line to reach 800C at which temperature the resin starts to show its first change in chemical sense. It will be semi fluid provided it is still in moist condition. If the glue is too dry due to over dry veneer, hot veneer, long assembly time or thin spread, an incomplete flow of glue will take place, leading to poor bond. High moisture content will cause more penetration, washing out of glue to the edges from glue line or formation of blows.<\/span><\/p>\n<p><span style=\"color: #000000;\">iii) In the case of manufacture of block board and flush door with wooden strips at the central layer, the role of moisture is applicable as said above. But if seasoning of wooden planks is not properly done, the surface of planks shows required moisture content but at the interior of the plank the level of moisture remains higher. While making block board and flush door with such wood, moisture from interior of wooden strips will come out as vapour and obstruct curing of resin during schedule period of hot pressing and also get deposited wherever there is gap in whole assembly. Panel products made with wooden strips made from improperly seasoned timber will show delamination and blister in product.<\/span><\/p>\n<p><span style=\"color: #000000;\">Before discharging the wooden planks from seasoning kiln by detecting the surface moisture of the planks is not adequate, but the sample plank should be cross cut and moisture content at the centre of the cross cut area should be tested. If the moisture content at the interior of the plank is higher than that at surface, further seasoning is necessary after steaming inside the seasoning chamber and seasoning be continued till moisture content reaches desired value throughout the entire plank.<\/span><\/p>\n<p><strong><span style=\"color: #000000;\">In wood panel manufacturing in India for hot pressing, the following moisture conditions have been found to suit good:<\/span><\/strong><\/p>\n<ul>\n<li><span style=\"color: #000000;\">Face veneer- 6-10%,<\/span><\/li>\n<li><span style=\"color: #000000;\">Core and panel with amino resin &#8211; 6-8%,<\/span><\/li>\n<li><span style=\"color: #000000;\">Core and panel with phenolic resin \u2013 around 6%,<\/span><\/li>\n<li><span style=\"color: #000000;\">Block board and flush door filler \u2013 max. 10%,<\/span><\/li>\n<li><span style=\"color: #000000;\">Glue line moisture content before hot pressing after pre pressing &gt;12% and &lt;20%.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">(Values given are as per experience and thumbs rule and should not be taken as absolute).<\/span><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>\u0939\u093e\u0945\u091f \u092a\u094d\u0930\u0947\u0938\u093f\u0902\u0917 \u0938\u0947 \u092a\u0939\u0932\u0947<\/strong><\/span><br \/>\n<span style=\"color: #000000;\"><strong>\u0935\u093f\u0928\u093f\u092f\u0930 \u0914\u0930 \u0932\u0915\u095c\u0940 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e<\/strong><\/span><\/p>\n<hr \/>\n<p><span style=\"color: #ff6600;\"><strong>\u0906\u0935\u0936\u094d\u092f\u0915 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0928\u093f\u092f\u0930, \u092c\u094d\u0932\u0949\u0915 \u092c\u094b\u0930\u094d\u0921 \u0914\u0930 \u092b\u094d\u0932\u0936 \u0921\u094b\u0930 \u092b\u093f\u0932\u0930 \u0915\u094b \u0938\u0941\u0916\u093e\u0928\u093e \u0915\u094d\u092f\u094b\u0902 \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948?<\/strong><\/span><\/p>\n<hr \/>\n<p><span style=\"color: #ff6600;\"><strong>\u092c\u0939\u0941\u092a\u0930\u0924 \u092a\u0948\u0928\u0932 \u092c\u0928\u093e\u0924\u0947 \u0938\u092e\u092f \u0935\u093f\u0928\u093f\u092f\u0930\/\u0932\u0915\u095c\u0940 \u0915\u0947 \u0905\u0927\u093f\u0915\/\u0915\u092e \u0938\u0941\u0916\u093e\u0928\u0947 \u0915\u0947 \u0915\u094d\u092f\u093e \u092a\u094d\u0930\u092d\u093e\u0935 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902?<\/strong><\/span><\/p>\n<hr \/>\n<p><span style=\"color: #000000;\">\u0938\u0941\u0916\u093e\u0928\u093e \u090f\u0915 \u0910\u0938\u0940 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0939\u0948 \u091c\u093f\u0938\u092e\u0947\u0902 \u0932\u0915\u095c\u0940 \u092e\u0947\u0902 \u092e\u094c\u091c\u0942\u0926 \u0928\u092e\u0940 \u0915\u094b \u0917\u0930\u094d\u092e \u0915\u0930\u0915\u0947 \u092f\u093e \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0939\u0935\u093e \u0915\u0947 \u0924\u093e\u092a\u092e\u093e\u0928 \u092a\u0930 \u091c\u0932 \u092d\u093e\u092a \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0939\u091f\u093e \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0935\u093f\u0928\u093f\u092f\u0930 \u0915\u094b \u0938\u0941\u0916\u093e\u0928\u0947 \u0915\u093e \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f \u0907\u0938\u0915\u0940 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0915\u094b \u0917\u094d\u0932\u0942\u0907\u0902\u0917 \u0914\u0930 \u092a\u0948\u0928\u0932 \u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0909\u092a\u092f\u0941\u0915\u094d\u0924 \u0938\u0940\u092e\u093e \u0924\u0915 \u0915\u092e \u0915\u0930\u0928\u093e \u0939\u0948\u0964 \u0932\u0915\u095c\u0940 \u092e\u0947\u0902 \u2019\u0909\u092a\u092f\u0941\u0915\u094d\u0924\u2019 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0907\u0938 \u0905\u0930\u094d\u0925 \u092e\u0947\u0902 \u0938\u093e\u0902\u0915\u0947\u0924\u093f\u0915 \u0939\u0948 \u0915\u093f \u092a\u0948\u0928\u0932 \u092c\u0928\u093e\u0924\u0947 \u0938\u092e\u092f \u0905\u091a\u094d\u091b\u0940 \u092c\u0945\u0928\u094d\u0921\u093f\u0902\u0917 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0932\u0915\u095c\u0940\/\u0935\u093f\u0928\u093f\u092f\u0930 \u092e\u0947\u0902 \u0936\u0942\u0928\u094d\u092f \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0928\u0939\u0940\u0902 \u0939\u094b\u0928\u0940 \u091a\u093e\u0939\u093f\u090f \u0914\u0930 \u0928 \u0939\u0940 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u2019\u0909\u092a\u092f\u0941\u0915\u094d\u0924\u2019 \u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b\u0928\u0940 \u091a\u093e\u0939\u093f\u090f\u0964<\/span><\/p>\n<p><span style=\"color: #000000;\">\u0915\u094d\u092f\u093e \u0907\u0938\u0915\u093e \u092e\u0924\u0932\u092c \u092f\u0939 \u0939\u0948 \u0915\u093f \u0932\u0915\u095c\u0940 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0936\u0942\u0928\u094d\u092f \u0939\u094b\u0928\u0947 \u092a\u0930 \u0932\u0915\u095c\u0940 \u0915\u0940 \u0926\u094b \u0938\u0924\u0939\u094b\u0902 \u0915\u094b \u091a\u093f\u092a\u0915\u0928\u0947 \u0938\u0947 \u0928\u0939\u0940\u0902 \u091c\u094b\u095c\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948? \u0928\u0939\u0940\u0902, \u0932\u0915\u095c\u0940 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0928 \u0939\u094b\u0928\u0947 \u092a\u0930 \u0926\u094b \u0932\u0915\u095c\u0940 \u0915\u0940 \u0938\u0924\u0939\u094b\u0902 \u0915\u094b \u091a\u093f\u092a\u0915\u0928\u0947 \u0938\u0947 \u091c\u094b\u095c\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948\u0964 \u0932\u0947\u0915\u093f\u0928 \u092f\u0939 \u0938\u092e\u091d\u0928\u093e \u091c\u0930\u0942\u0930\u0940 \u0939\u0948 \u0915\u093f \u090a\u0902\u091a\u0947 \u0924\u093e\u092a\u092e\u093e\u0928 \u092a\u0930 \u0930\u0947\u091c\u093f\u0928 \u092a\u0949\u0932\u0940\u092e\u0930 \u0915\u094b \u0915\u094d\u092f\u094b\u0930 \u0915\u0930\u0915\u0947 \u092e\u0932\u094d\u091f\u0940\u0932\u0947\u092f\u0930 \u092a\u0948\u0928\u0932 \u092c\u0928\u093e\u0924\u0947 \u0938\u092e\u092f \u0932\u0915\u095c\u0940 \u092e\u0947\u0902 \u090f\u0915 \u0928\u093f\u0936\u094d\u091a\u093f\u0924 \u092e\u093e\u0924\u094d\u0930\u093e \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u094d\u092f\u094b\u0902 \u092e\u094c\u091c\u0942\u0926 \u0939\u094b\u0928\u0940 \u091a\u093e\u0939\u093f\u090f\u0964<\/span><\/p>\n<p><span style=\"color: #000000;\">\u092a\u094d\u0932\u093e\u0908\u0935\u0941\u0921 \u092c\u0928\u093e\u0928\u0947 \u092e\u0947\u0902 \u0935\u093f\u0928\u093f\u092f\u0930 \u0915\u0940 \u0905\u0938\u0947\u0902\u092c\u0932\u0940 (\u092a\u0930\u0924\u094b\u0902) \u0915\u094b \u0926\u092c\u093e\u0935 \u092e\u0947\u0902 \u0926\u094b \u0917\u0930\u094d\u092e \u092a\u094d\u0932\u0947\u091f\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0926\u092c\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0939\u0949\u091f \u092a\u094d\u0930\u0947\u0938\u093f\u0902\u0917 \u0915\u0940 \u0905\u0935\u0927\u093f \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u091a\u0940\u091c\u0947\u0902 \u0939\u094b\u0924\u0940 \u0939\u0948\u0902\u0903<\/span><\/p>\n<p><span style=\"color: #000000;\">i) \u0905\u0938\u0947\u092e\u094d\u092c\u0932\u0940 \u092e\u0947\u0902 \u0935\u093f\u0928\u093f\u092f\u0930 \u0915\u0947 \u091f\u0941\u0915\u095c\u094b\u0902 \u0915\u094b \u0909\u0928 \u091c\u0917\u0939\u094b\u0902 \u092a\u0930 \u0930\u0916\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u091c\u0939\u093e\u0902 \u0938\u0924\u0939\u094b\u0902 \u0915\u0940 \u090f\u0915 \u092a\u0930\u0924 \u0926\u0941\u0938\u0930\u0940 \u0915\u0940 \u092a\u0930\u0924 \u0915\u0940 \u0938\u0924\u0939 \u0915\u0947 \u0915\u0930\u0940\u092c \u0939\u094b\u0924\u0940 \u0939\u0948\u0902;<\/span><\/p>\n<p><span style=\"color: #000000;\">ii) \u0917\u094d\u0932\u0942 \u0935\u093f\u0928\u093f\u092f\u0930 \u0938\u0947 \u0917\u094d\u0932\u0942 \u0915\u093e \u0939\u093f\u0938\u094d\u0938\u093e \u0917\u0948\u0930-\u0917\u094d\u0932\u0942 (\u092a\u0947\u0928\u0932) \u0935\u093f\u0928\u093f\u092f\u0930 \u092e\u0947\u0902 \u092a\u094d\u0930\u0935\u0947\u0936 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u0905\u0938\u0947\u0902\u092c\u0932\u0940 \u092e\u0947\u0902 \u0935\u093f\u0928\u093f\u092f\u0930 \u0915\u0940 \u0926\u094b \u092a\u0930\u0924\u094b\u0902 \u0915\u0947 \u092c\u0940\u091a \u0917\u094d\u0932\u0942 \u0915\u0940 \u092c\u095c\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u092b\u0948\u0932 \u091c\u093e\u0924\u0940 \u0939\u0948;<\/span><\/p>\n<p><span style=\"color: #000000;\">iii) \u0917\u094d\u0932\u0942 \u092e\u093f\u0936\u094d\u0930\u0923 \u092e\u0947\u0902 \u0930\u0947\u091c\u0940\u0928 \u0915\u0920\u094b\u0930 \u0926\u094d\u0930\u0935\u094d\u092f\u092e\u093e\u0928 \u092e\u0947\u0902 \u0938\u094d\u0925\u093f\u0930 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0935\u093f\u0928\u093f\u092f\u0930 \u0915\u094b \u0905\u0938\u0947\u0902\u092c\u0932\u0940 \u092e\u0947\u0902 \u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0938\u094d\u0925\u093e\u0928\u094b\u0902 \u092a\u0930 \u0920\u0940\u0915 \u0915\u0930\u0924\u093e \u0939\u0948 \u0914\u0930 \u0936\u0940\u091f \u0909\u0924\u094d\u092a\u093e\u0926 \u092c\u0928\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0928\u093f\u092f\u0930 \u0915\u094b \u092e\u091c\u092c\u0942\u0924\u0940 \u0938\u0947 \u092a\u0915\u095c \u0932\u0947\u0924\u093e \u0939\u0948\u0902\u0964<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u0928\u092e\u0940 \u0915\u0940 \u092d\u0942\u092e\u093f\u0915\u093e\u0903 i)<\/strong> \u0935\u093f\u0928\u093f\u092f\u0930 \u0915\u0940 \u0905\u0938\u0947\u0902\u092c\u0932\u0940 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height=\"265\" srcset=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-13-140431-300x167.jpg 300w, https:\/\/plyinsight.com\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-13-140431-18x10.jpg 18w, https:\/\/plyinsight.com\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-13-140431.jpg 475w\" sizes=\"auto, (max-width: 477px) 100vw, 477px\" \/><\/span><\/strong><\/p>\n<hr \/>\n<p><strong><span style=\"color: #000000;\">\u0905\u0917\u0930 \u0935\u093f\u0928\u093f\u092f\u0930 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0936\u0942\u0928\u094d\u092f \u0939\u0948 \u0924\u094b \u092f\u0939 \u0930\u0947\u091c\u0940\u0928 (\u091c\u094b \u092a\u093e\u0928\u0940 \u092e\u0947\u0902 \u0918\u0941\u0932\u0928\u0936\u0940\u0932 \u0939\u0948) \u0915\u0947 \u0938\u093e\u0925 \u0917\u094d\u0932\u0942 \u0938\u0947 \u0905\u0927\u093f\u0915 \u0928\u092e\u0940 \u0938\u094b\u0916 \u0932\u0947\u0917\u0940 \u0914\u0930 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\u0939\u0949\u091f \u0935\u093f\u0928\u093f\u092f\u0930, \u0932\u0902\u092c\u0947 \u0905\u0938\u0947\u092e\u094d\u092c\u0932\u0940 \u0938\u092e\u092f \u092f\u093e \u092a\u0924\u0932\u0947 \u092b\u0948\u0932\u093e\u0935 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0917\u094d\u0932\u0942 \u092c\u0939\u0941\u0924 \u0905\u0927\u093f\u0915 \u0936\u0941\u0937\u094d\u0915 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0917\u094d\u0932\u0942 \u0915\u093e \u092a\u094d\u0930\u0935\u093e\u0939 \u0905\u0927\u0942\u0930\u093e \u0939\u094b\u0917\u093e, \u091c\u093f\u0938\u0938\u0947 \u092c\u0902\u0927\u0928 \u0916\u0930\u093e\u092c \u0939\u094b\u0917\u093e\u0964 \u0909\u091a\u094d\u091a \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0917\u094d\u0932\u0942 \u0932\u093e\u0907\u0928 \u092e\u0947\u0902 \u0917\u094d\u0932\u0942 \u0915\u0940 \u0915\u093f\u0928\u093e\u0930\u094b\u0902 \u0938\u0947 \u092c\u093e\u0939\u0930 \u0939\u094b\u0928\u0947 \u0938\u093e \u092c\u0941\u0932\u092c\u0941\u0932\u094b \u0915\u0947 \u0917\u0920\u0928 \u0915\u0947 \u0915\u093e\u0930\u0923 \u0905\u0927\u093f\u0915 \u092a\u0948\u0920 \u0915\u093e \u0915\u093e\u0930\u0923 \u092c\u0928\u0947\u0917\u0940\u0964<\/span><\/p>\n<p><span style=\"color: #000000;\">iii) \u0915\u0947\u0902\u0926\u094d\u0930\u0940\u092f \u092a\u0930\u0924 \u092e\u0947\u0902 \u0932\u0915\u095c\u0940 \u0915\u0940 \u092a\u091f\u094d\u091f\u093f\u092f\u094b\u0902 \u0915\u0947 \u0938\u093e\u0925 \u092c\u094d\u0932\u0949\u0915 \u092c\u094b\u0930\u094d\u0921 \u0914\u0930 \u092b\u094d\u0932\u0936 \u0921\u094b\u0930 \u0915\u0947 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0947 \u092e\u093e\u092e\u0932\u0947 \u092e\u0947\u0902, \u090a\u092a\u0930 \u092c\u0924\u093e\u090f \u0905\u0928\u0941\u0938\u093e\u0930 \u0928\u092e\u0940 \u0915\u0940 \u092d\u0942\u092e\u093f\u0915\u093e \u0932\u093e\u0917\u0942 \u0939\u094b\u0924\u0940 \u0939\u0948\u0964 \u0932\u0947\u0915\u093f\u0928 \u0905\u0917\u0930 \u0932\u0915\u095c\u0940 \u0915\u0947 \u0924\u0916\u094d\u0924\u094b\u0902 \u0915\u0940 \u0938\u0940\u095b\u0928\u093f\u0902\u0917 \u0920\u0940\u0915 \u0938\u0947 \u0928\u0939\u0940\u0902 \u0915\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948, \u0924\u094b \u0924\u0916\u094d\u0924\u094b\u0902 \u0915\u0940 \u0909\u092a\u0930\u0940 \u0938\u0924\u0939 \u092e\u0947\u0902 \u0906\u0935\u0936\u094d\u092f\u0915 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0926\u093f\u0916\u093e\u0908 \u0926\u0947\u0924\u0940 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u0924\u0916\u093c\u094d\u0924 \u0915\u0947 \u0905\u0902\u0926\u0930\u0942\u0928\u0940 \u0939\u093f\u0938\u094d\u0938\u0947 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u093e \u0938\u094d\u0924\u0930 \u0905\u0927\u093f\u0915 \u0930\u0939\u0924\u093e \u0939\u0948\u0964 \u0910\u0938\u0940 \u0932\u0915\u095c\u0940 \u0938\u0947 \u092c\u094d\u0932\u0949\u0915 \u092c\u094b\u0930\u094d\u0921 \u0914\u0930 \u092b\u094d\u0932\u0936 \u0921\u094b\u0930 \u092c\u0928\u093e\u0924\u0947 \u0938\u092e\u092f \u0932\u0915\u095c\u0940 \u0915\u0940 \u092a\u091f\u094d\u091f\u093f\u092f\u094b\u0902 \u0915\u0947 \u0905\u0902\u0926\u0930 \u0915\u0940 \u0928\u092e\u0940 \u0935\u093e\u0937\u094d\u092a \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u092c\u093e\u0939\u0930 \u0906 \u091c\u093e\u090f\u0917\u0940 \u0914\u0930 \u0939\u093e\u0945\u091f \u092a\u094d\u0930\u0947\u0938\u093f\u0902\u0917 \u0915\u0940 \u0928\u093f\u0930\u094d\u0927\u093e\u0930\u093f\u0924 \u0905\u0935\u0927\u093f \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0930\u0947\u091c\u093f\u0928 \u0915\u094b \u092a\u0915\u093e\u0928\u0947 \u092e\u0947\u0902 \u092c\u093e\u0927\u093e \u0909\u0924\u094d\u092a\u0928\u094d\u0928 \u0915\u0930\u0947\u0917\u0940 \u0914\u0930 \u092a\u0942\u0930\u0940 \u0905\u0938\u0947\u0902\u092c\u0932\u0940 \u092e\u0947\u0902 \u091c\u0939\u093e\u0902 \u0915\u0939\u0940\u0902 \u092d\u0940 \u0917\u0948\u092a \u0939\u094b\u0917\u093e \u0935\u0939\u093e\u0902 \u0939\u0940 \u091c\u092e\u093e \u0939\u094b \u091c\u093e\u090f\u0917\u0940\u0964 \u0905\u092a\u0942\u0930\u094d\u0923 \u0924\u0930\u0940\u0915\u0947 \u0938\u0947 \u0938\u0940\u091c\u0928 \u0915\u0940 \u0939\u0941\u0908 \u0932\u0915\u095c\u0940 \u0938\u0947 \u092c\u0928\u0940 \u0932\u0915\u095c\u0940 \u0915\u0940 \u092a\u091f\u094d\u091f\u093f\u092f\u094b\u0902 \u0938\u0947 \u092c\u0928\u0947 \u092a\u0948\u0928\u0932 \u0909\u0924\u094d\u092a\u093e\u0926 \u092e\u0947\u0902 \u0921\u0940\u0932\u0947\u092e\u0940\u0928\u0947\u0938\u0928 \u0914\u0930 \u092b\u092b\u094b\u0932\u0947 \u0939\u094b \u091c\u093e\u090f\u0902\u0917\u0947\u0964<\/span><\/p>\n<p><span style=\"color: #000000;\">\u0932\u0915\u095c\u0940 \u0915\u0947 \u0924\u0916\u093c\u094d\u0924\u094b\u0902 \u0915\u094b \u0938\u0940\u095b\u0928\u093f\u0902\u0917 \u0915\u0915\u094d\u0937 \u0938\u0947 \u0928\u093f\u0915\u093e\u0932\u0928\u0947 \u0938\u0947 \u092a\u0939\u0932\u0947 \u0924\u0916\u093c\u094d\u0924\u094b\u0902 \u0915\u0940 \u0938\u093f\u0930\u094d\u092b \u0909\u092a\u0930\u0940 \u0938\u0924\u0939 \u0915\u0940 \u0928\u092e\u0940 \u0915\u093e \u092a\u0924\u093e \u0932\u0917\u093e\u0928\u093e \u092a\u0930\u094d\u092f\u093e\u092a\u094d\u0924 \u0928\u0939\u0940\u0902 \u0939\u0948, \u0932\u0947\u0915\u093f\u0928 \u0928\u092e\u0942\u0928\u093e \u0924\u0916\u093c\u094d\u0924\u093e \u0915\u094b \u0915\u094d\u0930\u0949\u0938 \u0915\u091f \u0915\u0930\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u0914\u0930 \u0915\u094d\u0930\u0949\u0938 \u0915\u091f \u0915\u094d\u0937\u0947\u0924\u094d\u0930 \u0915\u0947 \u0915\u0947\u0902\u0926\u094d\u0930 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0915\u093e \u092a\u0930\u0940\u0915\u094d\u0937\u0923 \u0915\u093f\u092f\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f\u0964 \u092f\u0926\u093f \u0924\u0916\u093c\u094d\u0924\u0947 \u0915\u0947 \u092d\u0940\u0924\u0930\u0940 \u0939\u093f\u0938\u094d\u0938\u0947 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0909\u092a\u0930\u0940 \u0938\u0924\u0939 \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u092e\u0947\u0902 \u0905\u0927\u093f\u0915 \u0939\u0948, \u0924\u094b \u0938\u0940\u095b\u0928\u093f\u0902\u0917 \u0915\u0915\u094d\u0937 \u0915\u0947 \u0905\u0902\u0926\u0930 \u092b\u093f\u0930 \u0938\u0947 \u092d\u093e\u092a \u0926\u0947\u0915\u0930 \u0914\u0930 \u0938\u0940\u095b\u0928\u093f\u0902\u0917 \u0906\u0935\u0936\u094d\u092f\u0915 \u0939\u0948 \u0914\u0930 \u0938\u0940\u095b\u0928\u093f\u0902\u0917 \u0915\u094b \u0924\u092c \u0924\u0915 \u091c\u093e\u0930\u0940 \u0930\u0916\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f \u091c\u092c \u0924\u0915 \u0915\u093f \u092a\u0942\u0930\u0947 \u0924\u0916\u093c\u094d\u0924 \u092e\u0947\u0902 \u0928\u092e\u0940 \u0915\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u0935\u093e\u0902\u091b\u093f\u0924 \u092e\u0942\u0932\u094d\u092f \u0924\u0915 \u0928 \u092a\u0939\u0941\u0901\u091a \u091c\u093e\u090f\u0964<\/span><\/p>\n<p><strong><span style=\"color: #000000;\">\u092d\u093e\u0930\u0924 \u092e\u0947\u0902 \u0935\u0941\u0921 \u092a\u0948\u0928\u0932 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u092e\u0947\u0902 \u0939\u0949\u091f \u092a\u094d\u0930\u0947\u0938\u093f\u0902\u0917 \u0915\u0947 \u0932\u093f\u090f \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0928\u092e\u0940 \u0915\u0940 \u0938\u094d\u0925\u093f\u0924\u093f \u0915\u094b \u0938\u0902\u0924\u0941\u0932\u093f\u0924 \u092a\u093e\u092f\u093e \u0917\u092f\u093e \u0939\u0948\u0903<\/span><\/strong><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u092b\u0947\u0938 \u0935\u093f\u0928\u093f\u092f\u0930- 6-10\u0903<\/span><\/li>\n<li><span style=\"color: #000000;\">\u0915\u094b\u0930 \u0914\u0930 \u092a\u0948\u0928\u0932 \u0905\u092e\u0940\u0928\u094b \u0930\u0947\u091c\u093f\u0928 \u0915\u0947 \u0938\u093e\u0925- 6-8\u0903,<\/span><\/li>\n<li><span style=\"color: #000000;\">\u0915\u094b\u0930 \u0914\u0930 \u092a\u0948\u0928\u0932 \u092b\u0947\u0928\u094b\u0932\u093f\u0915 \u0930\u0947\u091c\u093f\u0928 \u0915\u0947 \u0938\u093e\u0925- \u0932\u0917\u092d\u0917 6\u0903,<\/span><\/li>\n<li><span style=\"color: #000000;\">\u092c\u094d\u0932\u0949\u0915 \u092c\u094b\u0930\u094d\u0921 \u0914\u0930 \u092b\u094d\u0932\u0936 \u0921\u094b\u0930 \u092b\u093f\u0932\u0930- \u0905\u0927\u093f\u0915\u0924\u092e 10\u0903,<\/span><\/li>\n<li><span style=\"color: #000000;\">\u0917\u094d\u0932\u0942 \u0932\u093e\u0907\u0928 \u0928\u092e\u0940 \u092a\u094d\u0930\u0940 \u092a\u094d\u0930\u0947\u0902\u0938\u093f\u0917 \u0915\u0947 \u092c\u093e\u0926 \u0914\u0930 \u0939\u093e\u0945\u091f \u092a\u094d\u0930\u0947\u0902\u0938\u093f\u0917 \u0938\u0947 \u092a\u0939\u0932\u0947 12 \u092a\u094d\u0930\u0924\u093f\u0936\u0924 \u0938\u0947 \u0905\u0927\u093f\u0915 \u0914\u0930 20 \u092a\u094d\u0930\u0924\u093f\u0936\u0924 \u0938\u0947 \u0915\u092e<\/span><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\">(\u0926\u093f\u090f \u0917\u090f \u092e\u093e\u0928 \u0905\u0928\u0941\u092d\u0935 \u0914\u0930 \u0915\u094d\u0930\u092e\u093f\u0924 \u0906\u0927\u093e\u0930\u092d\u0942\u0924 \u0928\u093f\u092f\u092e \u0915\u0947 \u0905\u0928\u0941\u0938\u093e\u0930 \u0939\u0948\u0902 \u0914\u0930 \u0907\u0938\u0947 \u092a\u0942\u0930\u094d\u0923 \u0928\u0939\u0940\u0902 \u092e\u093e\u0928\u093e \u091c\u093e\u0928\u093e \u091a\u093e\u0939\u093f\u090f)\u0964<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-34354 aligncenter\" src=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/SK-Nath-300x129.png\" alt=\"SK Nath\" width=\"521\" height=\"224\" srcset=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/SK-Nath-300x129.png 300w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/SK-Nath-768x331.png 768w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/SK-Nath-600x259.png 600w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/SK-Nath.png 772w\" sizes=\"auto, (max-width: 521px) 100vw, 521px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Why drying of veneer, block board and flush door filler to particular moisture content is necessary? What are the effects of over\/under drying of veneer\/wood while making multilayer panel? Drying is a process in which moisture in wood is removed in the form of water vapour by application of heat or at normal air temperature. [&hellip;]<\/p>","protected":false},"author":1,"featured_media":37462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3952],"tags":[540,1695,541,1948,1696,538,4047,3090,4046,1004,91,4048,4049,2593,762,626,939],"class_list":["post-37459","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-february-news-2023","tag-adhesive","tag-block-board","tag-chemical","tag-door","tag-flush-door","tag-glue","tag-hot-press","tag-moisture-content","tag-moisture-content-in-veneer-timber-before-hot-pressing","tag-panel","tag-plywood","tag-plywood-glue","tag-plywood-resin","tag-resin","tag-timber","tag-veneer","tag-woodworking"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Moisture Content in Veneer &amp; Timber before Hot Pressing - PLY INSIGHT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/plyinsight.com\/hi\/moisture-content-in-veneer-timber-before-hot-pressing\/\" \/>\n<meta property=\"og:locale\" content=\"hi_IN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Moisture Content in Veneer &amp; Timber before Hot Pressing - PLY INSIGHT\" \/>\n<meta property=\"og:description\" content=\"Why drying of veneer, block board and flush door filler to particular moisture content is necessary? What are the effects of over\/under drying of veneer\/wood while making multilayer panel? Drying is a process in which moisture in wood is removed in the form of water vapour by application of heat or at normal air temperature. 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