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High-performance die casting is a manufacturing process that involves injecting molten aluminum into a mold at high pressure. This technique allows for the creation of complex parts with excellent dimensional accuracy and surface finish. The HPDC aluminum specifically refers to the use of high-strength alloys and optimized processes that yield superior mechanical properties compared to traditional die cast aluminum.

There are several types of sand that are commonly used in the casting process. The most widely used is silica sand, composed primarily of silicon dioxide. This type of sand is valued for its high melting point, making it suitable for casting metals at high temperatures. The grain size and shape of the silica sand can significantly affect the quality of the final casting. Other types of sand include chromite sand, zircon sand, and olivine sand, each possessing unique properties that can be beneficial for specific casting applications.