In this article, you learn what is moulding sand, types of moulding sand and their properties.
Moulding Sand And Types
The Moulding sand is also known as foundries sand, this sand is commonly used for making moulds. Natural sand located on the bed and banks of rivers gives a larger source, although high-quality silica sand is also mined.
The sand is chemically Si02, silicon dioxide in a granular manner. Ordinary river sand contains a percentage of clay, moisture, non-metallic impurities and traces of magnesium and calcium salts besides silica grains. After appropriate treatment, this sand is used to make a mould.
Types of Moulding Sand
Following are the 8 different types of moulding sands:
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