1. Molding materials
The foundry uses a wide range of materials and products to manufacture molds and cores, the most important of which are listed below.
please refer to article Sand and foundry molding materials in this treatise.
1.1 Base sands
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Silica sand
They are essentially composed of SiO 2 silica grains; this is the material most universally used to make molds and cores. Among all the varieties we can cite :
natural silico-clay sands, used in their raw state ;
white extra-siliceous quarry sands, often...
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Molding materials
Plastic sand molding
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