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Nanotect® – a composite lubricant coating for carbon nanotubes

Nanotect® is a high-strength compound film that uses a special grafting technology to uniformly compound high-density carbon nanotubes (CNTs) to organic polymer. This creates a surface with the reciprocal physical properties of film strength and ductility greatly amplified for the organic polymer. This improvement provides resistance to impact and shearing, protects the organic polymer against wear and provides lubrication. This grafting technology effectively blocks the conductivity of the CNTs, ensuring the film has a strong resistance to corrosion.

Nanotect®

Properties of Products in Nanotect® Line

Properties 1 Provides lubrication to alleviate wear even in extremely abrasive environments.
Properties 2 Impact resistance to protect products from external impact.
The coating is suited to even the most demanding use environments.
Properties 3 The unique grafting technology effectively blocks CNT conductivity while imparting a high level of anti-corrosion prevention to the film.
Properties 4 Resistant to heat, Nanotect® has excellent properties for a wide range of applications including drive and rotating components.

Nanotect® Properties

Properties by product Abrasion resistance
Weight reduction –
1000 g load/500 rpm
Impact resistance
DuPont test:
1000 g/50 cm
Corrosion resistance by
Salt spray test
Heat resistance Coating hardness
Knoop length (Hk)
Ordinary organic polymer coating 30 – 50 mg/4000 revolutions
Base exposed
φ 6.35
Film cracking, separation
500 hr
Rust spotting
Up to
180°C
10
Anti-abrasion Nanotect® A 3.0 – 4.5 mg/300,000 revolutions
4.5 mg/2000 mm2
φ 1.58
No changes or abnormalities
1000 hr
No changes or abnormalities
220°C 80
Anti-rust
Nanotect® C
5.0 – 10 mg/200,000 revolutions
10.5 mg/2000 mm2
φ 3.17
No changes or abnormalities
3000 hr
No changes or abnormalities
220°C 50
Heat resistant Nanotect® H 5.0 – 10 mg/250,000 revolutions
10.5 mg/2000 mm2
φ 3.17
No changes or abnormalities
2000 hr
No changes or abnormalities
500°C 60
Nanotect® A Passed a pressure-resistance test at 10,000 meters below sea level
Nanotect® C Underwent tightening at 33,000 N-m more than 60 times without failing

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Abrasion Resistance Verification

Rotary Abrasion Test

Among the Nanotect® lineup, Nanotect® A provides the greatest protection against abrasion, demonstrating a durability at least 14 times that of ordinary organic polymer film in rotary abrasion testing.

Rotary Abrasion Test

Impact and Abrasion Testing

This vibration test vividly demonstrates how Nanotect® provides impact and abrasion resistance vastly superior to ordinary organic polymers.

Impact and Abrasion Testing

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Impact Resistance Verification

Instantaneous Impact Resistance Test

Nanotect® demonstrates a resistance to instantaneous impact energy more than 15 times that of ordinary organic polymers.

Instantaneous Impact Resistance Test

Compound Adhesion Test

In an impact test and a cross-cut adhesion test, Nanotect® demonstrates superior adhesion over ordinary organic polymers.

Compound Adhesion Test

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Corrosion Resistance Verification

Salt Spray Test

The grafting technology of Nanotect® produces a nano-cover of insulating polymer on the surface of carbon nanotubes (CNT), effectively stopping CNT
conductivity and providing superior coating corrosion resistance. Nanotect® C provides particularly strong corrosion resistance, lasting more than 3000 hours in the salt spray test.

Salt Spray Test

Relationship between the insulation resistance of CNT compound resin coating and salt spray time

Relationship between the insulation resistance of CNT compound resin coating and salt spray time

Pressure Resistance Verification

Pressure-resistance test at 10,000 meters below sea level

Before Testing

After Testing

Pressure Resistance Test (Movie Clip)

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