Question

---- is made of silicon and alumina
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Answer 1

Answer:

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Explanation:

Aluminium silicate is a type of fibrous material made of aluminium oxide and silicon dioxide, (such materials are also called aluminosilicate fibres). These are glassy solid solutions rather than chemical compounds. The compositions are often described in terms of % weight of alumina, Al2O3 and silica, SiO2.

Answer 2

Here is your answer:-

Aluminum silicate composite materials, fibers.

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