Carbon Nano Tube

The TPR-made Carbon Nano Tube has long length, and is a Carbon Nano Tube that has been controlled to a few layers.

The manufacturing method is highly-efficient growing of the Carbon Nano Tube perpendicularly from a large-surface area base board, and TPR has established mass-production technology.

Large surface area base board and Carbon Nano Tube microscope photograph

List of Carbon Nano Tube properties

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Item	CNT length	CNT diameter	Specific surface area	Number of layers	Metal impurities	G/D ratio *
Representative value	Up to 2 mm	5 to 12 nm	225～390 m²/g and up	3 to 7 layers	Up to250ppm	0.8 and up

G/D ratio can be set to match the customer's request

Application

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Characteristics	Aim for the material	Our joy when an application is identified
Long	Physically networked form, with few connections. High purity (few metal impurities)	Low resistance/high strength High durability
Few layers (light)	Function can be vested with small amount of additives	Just 0.1 weight % additives manifests function

Carbon Nano Tube application technologies are being developed too, and it is possible to support customer product applications.

Application technology

Application technology (example)

CNT well-dispersed in combined material Networked state

List of CNT yarn (thread) properties

Item	Representative values
Diameter	Up to 100 μm
Electrical conductivity rate	Up to 10 ⁵ S/m
Tensile shear strength	Up to 1.5 GPa
Yarn density	Up to 1.2 g/cm³