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软木塞是什么材质
更新时间: 2020-12-16 15:25:25  

栓皮。分为天然塞和复合塞,天然塞没有经过特殊的处理,处理过的软木塞根据它的表面细孔的孔径大小以及表面是否存在硬木和表面粗糙程度划分为不同等级。复合塞,是由几种原料加工而来的,它是由一些软木粒和胶水混合之后,将其填入模具中压制从而制成,由于模具的不同,所以复合塞可以根据需要制成的形状和规格来千变万化,复合塞可以看到明显的颗粒粘合在一起。

关键词: 软木 什么 材质

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