SKU: 52654546643

Nano copper colloid

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Description

Nano copper colloidProduct Name Nano copper colloid Product Overview Copper nanocolloid, also known as colloidal copper nanoparticles or copper nanodispersion, is a new material with a wide range of applications. Its particle size is less than 20 nm and its appearance is black liquid. Due to their unique physicochemical properties, copper nanocolloids are widely used in catalysis, magnetic fluids, biomedicine and lubrication. This copper nanocolloid is prepared by sol

Product Name

Nano copper colloid

Product Overview

Copper nanocolloid, also known as colloidal copper nanoparticles or copper nanodispersion, is a new material with a wide range of applications. Its particle size is less than 20 nm and its appearance is black liquid. Due to their unique physicochemical properties, copper nanocolloids are widely used in catalysis, magnetic fluids, biomedicine and lubrication. This copper nanocolloid is prepared by sol-gel method, the solvent is water, and the surface has PVP as a protective agent, which is not easy to oxidise.

 

Technical Parameter

Diameter: 5-10 nm

concentration: 3.2g/L

Product Features

 

Small particle size: the particle size of copper nanocolloid is less than 20nm, which makes it has excellent penetration and can contact the reactive substances faster, thus improving the chemical reaction rate. 

Good dispersion: When the concentration of stabilising dispersant is high enough, copper nanocolloid particles are uniform in size, well dispersed and effective in preventing agglomeration.                                              

Efficient catalysis: Due to their small particle size and good dispersibility, copper nanocolloids excel in catalysis, accelerating a wide range of chemical reactions. 

Excellent heat transfer: The high thermal conductivity of copper nanocolloids makes them very effective in heat dissipation applications, such as cooling of electronic devices.

Application Fields

Catalysis: Copper nanocolloids are used as catalysts in industrial processes to improve reaction efficiency and selectivity. For example, in some organic synthesis processes, copper nanocolloids can significantly accelerate the reaction rate and improve product selectivity. 

Lubrication: The use of copper nanocolloids in lubrication materials can significantly improve the performance of friction interfaces, reducing wear and extending equipment life. For example, the addition of copper nanocolloids to high-performance bearings and gears can significantly improve their wear resistance and fatigue resistance.                                                  

Biomedical field: Copper (Cu), as an important trace element in the human body, has been reported to stimulate the proliferation of osteoblasts, and may also provide antibacterial ability to its surface.

Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 52654546643

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Michael
Lowell, US
★★★★★ 5
Can't beat the 8 ounce sprays.
Size: 16 Ounce (Pack of 1), Style: SPF 50
Fantastic product. The scent is great, and the sun protection excellent. But the best thing is the fact that each of the two sprays contain 8 ounces of product for a total of 16 ounces at a very reasonable price.
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Reviewed in the United States on February 8, 2026
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janimi
Louisville, US
★★★★★ 5
safe for sensitive skin
Size: 16 Ounce (Pack of 1), Style: SPF 50
love this sunscreen. Not messy, Not itchy. Easy to apply. Sensitive skin here--great for mine. Used at the beach in Florida. And no burn!
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Reviewed in the United States on February 9, 2026
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Alicia
Charlottesville, US
★★★★★ 5
Works well
Size: 16 Ounce (Pack of 1), Style: SPF 50
Smells amazing! Doesn’t leave greasy finish. The spray goes on super smooth and cover a lot of area. Sad it isn’t reef friendly and new formula has more chemicals in it than it used to.
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Reviewed in the United States on August 1, 2025
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Sue B.
Port Orchard, US
★★★★★ 4
It works
Size: 16 Ounce (Pack of 1), Style: SPF 50
One of my favorite sunscreens. It actually works, smells good, but is very dufficult to shower off
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Reviewed in the United States on January 18, 2026
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Saundra Seidel
San Leandro, US
★★★★★ 5
Works great
Size: 16 Ounce (Pack of 1), Style: SPF 50
This is my favorite sunscreen . Sprays on nicely . The scent isn’t overwhelming . It works great and the price is very reasonable .
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Reviewed in the United States on September 13, 2025

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