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Green sand also offers excellent thermal properties, allowing it to withstand the high temperatures of molten metal during casting. The mixture can capture and remove gases that might otherwise lead to casting defects, such as blowholes or porosity. Additionally, the ease of molding and shaping green sand makes it an ideal choice for a wide variety of cast shapes and sizes, catering to both small and large-scale production runs.

The primary material in sand casting is, unsurprisingly, sand itself. The most commonly used sand is silica sand, due to its excellent thermal stability and ability to retain shape. Silica sand particles are usually angular or sub-angular, which enhances the strength of the mold. Another type of sand occasionally used is olivine sand, which contains magnesium iron silicate and is prized for its high melting point and minimal expansion. When selecting sand, it's essential to consider its grain size, shape, and cleanliness, as these factors directly affect the mold’s permeability and surface finish.

One of the most notable attributes of lead is its corrosion resistance, particularly in environments that would otherwise degrade other metals. This makes lead-cast components ideal for applications in marine settings or other harsh environments. Moreover, lead's ability to absorb vibrations makes it valuable for certain acoustic or soundproofing applications.

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Importance of the Spark Plug Cover