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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.

Τεχνοκράτες και η Χύτευση Μετάλλων Μια Σημαντική Σχέση

Sand Used for Casting The Backbone of Metal Foundries

1. Limitations in Size The size of die-cast products is typically limited by the die and the injection process. Large components may require alternative manufacturing techniques.

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