International Gold: 375
International Gold 375 is a hallmark used to indicate the purity of gold. It refers to a gold alloy that contains 37.5% pure gold, or 9 karats, and 62.5% other metals, typically copper.
Composition and Properties:
* 37.5% pure gold (24 karats)
* 62.5% copper or other metals
International Gold 375 is a relatively soft alloy with a warm, reddish-gold hue. It is often used for jewelry, particularly in regions where 9-karat gold is preferred.
Advantages and Disadvantages:
Advantages:
* More affordable than higher-karat gold
* Stronger and more durable than pure gold
* Warm and attractive reddish-gold color
Disadvantages:
* Lower gold content than higher-karat gold
* Can tarnish or discolor over time
* Less valuable than higher-karat gold
Applications:
International Gold 375 is used in a wide range of applications, including:
* Jewelry: Rings, necklaces, earrings, bracelets
* Coins: Some commemorative and bullion coins
* Dental Alloys: Mixed with other metals for strength and corrosion resistance
* Watches: Watch cases and other components
Care and Maintenance:
To maintain the appearance of International Gold 375 jewelry, regular cleaning is recommended. Use a soft cloth with a mild detergent, and avoid harsh chemicals or abrasive cleaning agents. If the jewelry tarnishes or discolors, it can be professionally cleaned or polished.
Conclusion:
International Gold 375 is a versatile and affordable alloy that combines durability with an attractive reddish-gold hue. It is commonly used for jewelry, coins, and other applications where a lower gold content is acceptable. While not as valuable as higher-karat gold, it offers a balance of quality and cost that makes it a popular choice for everyday wear.
原创文章，作者：杰克，如若转载，请注明出处：https://hengxing99.com/4710.html
