久久亚洲不卡一区二区_亚洲精品123区_国产亚洲欧美成人久久片_亚洲男人天堂网站_在线免费观看黄色小视频_青娱乐国产精品_国产美女视频国产视视频_亚洲综合在线最大成人_1024在线观看视频免费

Graphite Tube

Graphite tube is a graphite product made from high-purity graphite powder by a specific process.

According to the heating method: longitudinally heating the graphite tube and laterally heating the graphite tube

According to performance points: ordinary graphite tube (non-pyrolysis) for low temperature (≤ 2000 ° C) atomic elements such as silver, cadmium, lead; pyrolytic graphite tube for low, medium and high temperature (> 2500 ° C) atomization Element; platform graphite tube is suitable for medium and low temperature (≤ 2400 ° C) atomization elements.