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Many of the zinc alloy nickel-plated keychains are worn in direct contact with the skin, and some do not directly touch the skin.Whether they are in contact or not, will the zinc alloy nickel-plated keychain cause harm to human health? p>
This question should be answered in two parts. First, because of its better fluidity and corrosion resistance, zinc alloy is generally used as the main material of the product. The main added elements of zinc alloy are aluminum, copper and Magnesium, etc. Zinc alloy is not harmful to the human body, and the surface generally has a coating. Zinc alloy keychains can be said to cause no harm to the human body.
Then the focus is on the nickel plating on the outside. Nickel has the effect of stimulating blood growth and can promote the regeneration of red blood cells. This is all scientifically based, but nickel is not completely It is harmless, but it is less harmful to the human body than other types of coatings. It is precisely because the appearance of nickel plating is beautiful and the harm is small, so it is the most popular coating on the market; of course, some can not be ruled out. People with allergies are naturally disgusted with nickel products. This varies from person to person. There is no absolute thing. When the human body is lack of copper, the physiological activity of nickel will be fully exerted without affecting the physiological activity of copper in the human body. Supplementing the right amount of nickel can increase the production of red blood cells, white blood cells and hemoglobin. Patients suffering from various anemias and liver cirrhosis have reduced nickel in blood, and nickel has the effect of stimulating blood production.
For example, nickel-plated keychains and nickel-plated keychain products generally do not directly touch the skin. The keychain is generally hung on the waist or placed in a bag, which is harmful to the human body. Health can be said to be completely harmless, after all, it will not touch the skin, even if it is used by people with allergies, there is no problem.
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