What are the chemical materials?

Common chemical materials are as follows:

1. Inorganic silicate materials, such as cement and glass.

2. Organic polymer materials, such as artificial rubber, plastics and artificial fibers.

3. Metallic materials, including pure metals and alloys, such as copper and aluminum alloys.

4. Composite materials, such as absorbent materials, reinforced concrete and glass fiber reinforced plastics.