石墨粉 99.95%(高纯试剂,5000目),99.95%(高纯试剂,4000目),99.95%(高纯试剂,2000目),99.95%(高纯试剂,1200目),99.95%(高纯试剂,750-850目),99.95%(高纯试剂,325目),99.95%(高纯试剂,80-120目),99.95(高纯试剂),99.95(高纯试剂,8000目),99.8%,AR,99.95%(高纯试剂,50目),99.95%(高纯试剂,10000目),平均粒径 18μm、比表面积3.2m2/g,97%