We are looking for amorphousgraphite with fixed carbon up t0 90% , low ash content, particle size diameter up to 20 mm.
我们正在寻求无定型石墨，要求碳粉含量达到90%，灰分含量低，颗粒直径达到20毫米。
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He explained that sometimes during the shock of impact graphite can create jumbled "amorphous" zones that can resist diamonds, at least those coming at them from one direction.