what are refractories how are they classified
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Answer:
Refractories may be classified by thermal conductivity as either conducting, nonconducting, or insulating. Examples of conducting refractories are SiC and ZrC, whereas examples of nonconducting refractories are silica and alumina. Insulating refractories include calcium silicate materials, kaolin, and zirconia.
Answer:
Refractories may be classified by thermal conductivity as either conducting, nonconducting, or insulating. Examples of conducting refractories are SiC and ZrC, whereas examples of nonconducting refractories are silica and alumina. Insulating refractories include calcium silicate materials, kaolin, and zirconia.
Refractories are classified according to their physical form. These are the shaped and unshaped refractories. The shaped is commonly known as refractory bricks and the unshaped as monolithic refractories. Shaped refractories are those which have fixed shapes when delivered to the user.
Explanation:
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