999 foot gold refers to the golden purity of 99.9%, so it is real gold, commonly known as three nine. 999 Foot gold has its unique golden brown luster. Pure gold will flashed with dazzling light under the strong light. This is not available in other metals, including copper inside. High -quality foot gold, no rhyme and elasticity when the sound is thrown on the ground. The sound quality of the low -collision is slightly brighter. According to the sound of the knocking object, we can help us distinguish the common metals and gold. Gold, as a precious metal, has good physical characteristics. "Real Gold is not afraid of fire" is that the chemical stability of gold is very high. It is not easy to chemically react with other materials. You don't have to worry about oxidation and discoloration. Even in the melting state, it will not be oxidized and discolored. The density is strong and the feel is heavy. Good toughness and ductility, good guidance. Pure gold has gorgeous yellow, but after incorporating other metals, the color changes greatly. For example, gold and copper alloy are dark red, and the silver alloy is light yellow or gray -white. Jin Yi was grinded into powder, which is why Jin is scattered in nature. Pure gold jewelry is also easily worn and reduced.
999 foot gold refers to the golden purity of 99.9%, so it is real gold, commonly known as three nine.
999 Foot gold has its unique golden brown luster. Pure gold will flashed with dazzling light under the strong light. This is not available in other metals, including copper inside. High -quality foot gold, no rhyme and elasticity when the sound is thrown on the ground. The sound quality of the low -collision is slightly brighter. According to the sound of the knocking object, we can help us distinguish the common metals and gold.
Gold, as a precious metal, has good physical characteristics. "Real Gold is not afraid of fire" is that the chemical stability of gold is very high. It is not easy to chemically react with other materials. You don't have to worry about oxidation and discoloration. Even in the melting state, it will not be oxidized and discolored. The density is strong and the feel is heavy. Good toughness and ductility, good guidance. Pure gold has gorgeous yellow, but after incorporating other metals, the color changes greatly. For example, gold and copper alloy are dark red, and the silver alloy is light yellow or gray -white. Jin Yi was grinded into powder, which is why Jin is scattered in nature. Pure gold jewelry is also easily worn and reduced.