wholesale jewelry gift boxes china Can gold be bitten?
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wholesale jewelry gift boxes china Can gold be bitten?
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The hardness of the gold is 2 to 3 hardness of the gold. When the iron tool is engraved, the real gold will leave obvious scratches. The folk goldrs often bite with their teeth because the hardness of human teeth is about 7 degrees. Therefore, you can easily bite gold, and other yellow metals are not easy to bite. At least it is more laborious (such as copper), so it is based on whether the principle of hardness can be used to determine the principle of hardness.
The golden gold is strong, but it is not very hard (Mohs Hardness 2.5) Bite tooth marks with teeth. However, this type of detection is very unreliable in today's society. Many use leads or tin are plated. Because these two metals are cheap and density hardness is close to gold, the metal that can be easily bite may not be gold.
Golden jewelry maintenance precautions
1. The gloss of the gold jewelry is always painted on the gold jewelry.
2. Avoid wearing gold jewelry, especially rings when wearing heavy work.
3. When swimming, remove the golden jewelry to avoid chemical changes in the surface layer after encountering seawater or pool water.
4, gold jewelry must be far away from chemicals.
5. The gold jewelry after wearing is often lost due to stains and dust infections. At this time, as long as the gold jewelry is placed in the neutral detergent, soaks and clean it with warm water, and then remove it.
The above content refers to Baidu Encyclopedia-Gold, People's Daily Online-Precious Metal Jewelry Seal Do you really understand?
dallas wholesale jewelry harry hines If you mean it is impossible to eat, but if you really bite, you will be printed if you bite it. Pure gold will be relatively soft, so there will be hard gold and K gold on the market.
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