Compared with gold, which has been used for 9000 years, aluminum, a white metal with a slight blue light, can only be regarded as a baby in metal materials. Aluminum came out in the early 18th century and was named. Unlike other metal elements, aluminum does not exist in the form of direct metal elements in nature, but is extracted from bauxite containing 50% alumina (also known as alumina). Aluminum that exists in minerals in this form is also one of the most abundant metal elements on our planet.
T50-aluminum alloy knob
Uses: chemical, food, equipment and testing instruments
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