Copper Doorknobs in our Homes?
Find out if there are benefits to using Copper Doorknobs in your Home!
It’s a fact, germs are everywhere!
In a recent study, researchers contaminated just a single doorknob with a virus in an office. In two to four hours, the virus had been picked up by 40 to 60 percent of workers and visitors and could be detected on many commonly touched objects.
Can Copper Doorknobs really help with the spread of germs?
Should we change all the doorknobs in our home to Copper?
Manufacturers typically promote copper’s proven bacteria-killing properties to sell fixtures made of brass, bronze, or other metals with a high copper content, especially in hospitals and schools.
Copper-containing metals like brass have antibacterial properties, it makes sense that copper-based doorknobs would pass along fewer germs than knobs made of glass, plastic, steel, or other materials.
New research has shown that handling those fixtures can actually disable their germ-killing powers. It was known that sweat can corrode copper alloys (metal mixtures) like brass in the long term. When researchers studied the effects of sweat on copper surfaces in a period of a few hours of contact, they found that within as little as an hour, the salt in sweat can form a corrosive layer on the surface of the metal which prevents the electrochemical reaction that kills microorganisms.
A full hour after someone touches a doorknob may sound like a long time for this effect to take hold, but consider how many people handle doorknobs or similar fixtures in a day from our previous example. Frequently touched items collect salts from the sweat of many people, which makes the corrosive layer tougher and longer lasting.
Overall, Copper-based fixtures might help to slow down spreading of those pesky germs but you shouldn’t slack off on cleaning them.
So, you make the call… will you change those doorknobs in your home or not?
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