Carbon Nanotubes NCTs

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Multi Walled Carbon Nanotubes Structure:

The structure of Multi Walled Carbon Nanotubes is unique, they come in a complex array of forms and because each concentric nanotube can have different structures, there are a variety of sequential arrangements. The simplest sequence is when concentric layers are identical but different in diameter. However, mixed variants are possible, consisting of two or more types of concentric Carbon Nanotubes (CNTs) arranged in different orders. These can have either regular layering or random layering. The structure of the carbon nanotubes influences its properties including electrical and thermal conductivity, density, and lattice structure. Both type and diameter are important. The wider the diameter of the carbon nanotube (CNTs), the more it behaves like graphite. The narrower the diameter of the Carbon Nanotubes (CNTs), the more its intrinsic properties depends upon its specific type.

Applications:

  
● Conductive paint, ink                                  
● Lithium ion battery conductive material  
● Caulks and sealants                               
● Semiconducting materials                               
● Membrane and filters Medical implants                       
●Sporting goods (tennis rackets, bike rims)
● High strength coatings &Thermal coatings & Conductive coatings                         
●Textiles & fibers
●Electromagnetic Shielding                  
●Catalysts (petrochemical)
●Sensors and Instruments
●Conductive polymers & composites (automobiles and electronics)
● Hydrogen storage material  
●Advanced ceramics
● Drug delivery  

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Industry Grade Technical Data:

Items	Unit	CNT-F	CNT-C	CNT-N
		Specifications
Appearance	/	Black powder	Black powder	Black powder
Water content	ppm	≤3000	≤3000	≤3000
Purity	%	98±0.5	98±0.5	98±0.5
Specific surface area	m2/g	180～200	120～130	80～100
Tube diameter	nm	12～15	30～35	40～50
Tube length	μm	5～10	4～6	3～4

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Electronic Grade Technical Data:

 

Cobalt Based Carbon Nanotubes (CNTs)

 

Item					Unit	Specifications
1		Appearance			-	Black powder, uniform color, no hard agglomerate
2		Residue after ignition			%	≤2.5
3		Special surface area			m²/g	170-200
4		Diameter			nm	10-30
5		Length			μm	<10
6		Metal impurity content		Fe	ppm	≤50
				Ni	ppm	≤10
				Co	ppm	≤6000
				Zn	ppm	≤10
				Mg	ppm	<10
				Cu	ppm	<10

 

 Ferrous Based Carbon Nanotubes (CNTs)

 

Item					Unit	Specifications
1		Appearance			-	Black powder, uniform color, no hard agglomerate
2		Residue after ignition			%	≤2.6
3		Special surface area			m²/g	250-280
4		Diameter			nm	8-10
5		Length			μm	3-10
6		Metal impurity content		Fe	ppm	≤2800
				Ni	ppm	≤10
				Co	ppm	≤10
				Zn	ppm	≤20
				Cu	ppm	<20

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