日韩成人无码视频_国产在线不卡爆乳视频_曰韩一级黄色毛片_日韩大片在线国产观看_国产一区成人色欲淫色天香

Graphite material properties

• Graphite material: fine-grain graphite material such as Japan Daikin, domestic Bayi carbon, continental carbon and other isostatic graphite materials According to the pore distribution and pore volume of different materials, suitable materials for graphite parts, heat exchanger blocks (tubes, tube sheets), hydrogen chloride synthesis equipment, and organic chlorination reactors are selected.