欧美 日韩 中国 成人,95免费视频在线观看,亚洲欧美中文字幕第一页,东北老女人的大黑穴视频

Purity:60wt% OD: 1-2nm Length: 5-30μm SSA:407 m2/g ASH: 5wt% Tap density: 0.14g/cm3 True density: ~2.1g/cm3 EC:100s/cm Making method:CVD Color: Black Min Order: 1g

Purity:60wt% -OH Content: 3.96wt% OD: 1-2nm Length: 5-30μm SSA:407 m2/g ASH: 5wt% Tap density: 0.14g/cm3 True density: ~2.1g/cm3 EC:100s/cm Making method:CVD Color: Black Min Order: 1g

Purity:60wt% -COOH Content: 2.73wt% OD: 1-2nm Length: 5-30μm SSA:407 m2/g ASH: 5wt% Tap density: 0.14g/cm3 True density: ~2.1g/cm3 EC:100s/cm Making method:CVD Color: Black Min Order: 1g

CNTs Preparation Technology:HiPCO Purity of SWCNTs:98wt% Diameter: 0.7-1.1nm Length: 0.5-1.5μm Solvent: water Dispersant: surfactant Initial concentration:0.1 mg/ml

CNTs Preparation Technology:Arc Purity of SWCNTs:95wt% Diameter: 1.2-1.6nm Length: 0.8-2.5μm Solvent: water Dispersant: surfactant Initial concentration:0.1 mg/ml

CNTs Preparation Technology:Arc Purity of SWCNTs:95wt% Diameter: 1.2-1.6nm Length: 0.8-2.5μm Solvent: DMF Dispersant: None Initial concentration:0.1 mg/ml