The material used is a cuprate, and it has the same consistency as graphite (very soft), thus it's difficult to work with them.

所使用的材料是铜氧化物，它具有与石墨一样的一致性(非常软)，因此很难与他们合作。

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Expanded graphite is a soft porous material which is produced by natural squama graphite by means of oxidation, inserting, watering, dryness and expansion.

膨胀石墨是一种柔软、疏松多孔的物质，它是由天然鳞片石墨经氧化、插层、水洗、干燥及高温膨化而得到的。

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Expanded graphite is a soft porous material which is produced by natural squama graphite by means of oxidation, inserting, watering, dryness and expansion.

膨胀石墨是一种柔软、疏松多孔的物质，它是由天然鳞片石墨经氧化、插层、水洗、干燥及高温膨化而得到的。

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