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當前位置:首頁 資訊 板材知識紫檀素過多會導致紫檀的年輪線逐漸消失

紫檀素過多會導致紫檀的年輪線逐漸消失

  • 2013-06-25 14:05:17
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  • 編輯:中華板材網(wǎng)
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紫檀的幼苗是沒有紫色心材的,只有生長到一定年限了,心材才會逐漸變成紫色(當然理論上講新鮮的紫檀素是桔紅色的),其本質(zhì)是紫檀素的堆積。質(zhì)地極好的紫檀,感覺就是純紫檀素壓成的,幾乎沒有木質(zhì)纖維的感覺,雕刻和打磨的時候質(zhì)感類似于軟玉。所謂老紫檀棕眼細密,或者沒有棕眼,原因應(yīng)該在于許多的棕眼都被紫檀素填充滿了,所以不可見。

  同樣的原因,不少老紫檀的年輪線也由于紫檀素過多而幾乎不可見。紫檀素密度較大,木纖維密度較小。所以含有紫檀素多的老紫檀,其密度就比較大,干燥透之后也可能超過1.3;新料紫檀由于生長時間短,積累紫檀素的時間要少上一兩百年,所以其木料的密度較低。因此只有生長緩慢、生長周期長的野生紫檀才能被稱為老紫檀,新紫檀砍下來之后哪怕陰干個幾十年,密度和紫檀素的含量都不會有變化。

 

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