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Could copper-coated doorknobs kill COVID-19?

Published: (Updated: ) in Australian News by .

A Darwin-based company says it has made a breakthrough discovery in the eradication of the coronavirus through a common household object: copper-coated door handles, rails and touch plates.

A Darwin-based company says it has made a breakthrough discovery in the eradication of the coronavirus through a common household object: copper-coated door handles, rails and touch plates.

SPEE3D co-founder Steven Camilleri says the company discovered copper had the ability to kill 96 per cent of SARS-CoV-2 - the virus that causes COVID-19 - in just two hours.

Stainless steel, which is typically used in hygiene environments like hospitals, showed no reduction in the same time frame.

The company had copper samples analysed in a National Association of Testing Authorities (NATA) accredited Melbourne-based virus lab.

"We've been racking our brain trying to work out, along with the rest of the 3D community, can we can do something to help with the pandemic?" Mr Camilleri said.

"So we decided to test (copper) for its anti-microbial capability and we were very pleasantly surprised to find out that it was strongly anti-microbial.

"We were very lucky to get the time that we did with the lab that did the test – there's not many places in Australia that can actually test and with the live SARS-CoV-2 virus, it's quite dangerous. They saw the value in what we were doing."

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Mr Camilleri said the breakthrough was a "sheer coincidence".

"Our company really specialises in industrial parts so copper is a fantastic material from a point of view of electrical and thermal conductivity so we've always used it for that reason," he said.

"In fact, we can make copper parts in some of the cheapest ways possible."

Mr Camilleri said he hasn't yet met with hospital officials but is already in the process of re-converting door handles at Charles Darwin University.

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He said his company has printers in the US, Europe, Japan and Singapore and wanted to get the word out about the benefit of copper surfaces.

"We can now coat parts and make them anti-microbial – convert them without having to rebuild them. Our process shoots the material onto the parts," he said.

"The door handles – we coated those in pure copper in about four minutes."

Mr Camilleri said the cost of re-converting a door handle would cost around $50 to $100 per piece.

Source: 9News https://www.9news.com.au/national/coppercoated-doorknobs-to-kill-covid-19-darwin-company-makes-breakthrough-discovery/33670001-d65b-46c8-9199-303da229508d

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