Which type of glass is used for making glass reinforced plastic?

A. Pyrex glass
B. Flint glass
C. Quartz glass
D. Fibre glass
Answer» D. Fibre glass
Explanation: Fiberglass is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers of glass. It is also known as GFK. Fiberglass is a lightweight, extremely strong, and robust material. Although strength properties are somewhat lower than carbon fiber and it is less stiff, the material is typically far less brittle, and the raw materials are much less expensive. Its bulk strength and weight properties are also very favorable whencompared to metals, and it can be easily formed using molding processes.
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