Classification of non-metallic materials There are extremely rich varieties of non-metallic materials, and their classifications are also different.

1. According to their chemical composition, they can be divided into inorganic non-metallic materials (refractory materials, ceramics, glass, etc.) and organic non-metallic materials (plastics, Rubber, fiber, etc.)

Two categories.

(1) Inorganic non-metallic materials: refractory materials, ceramics, abrasives, carbon and graphite materials, asbestos, etc.; (2) Organic non-metallic materials: wood, leather, adhesives and polymer materials─rubber , resin, fiber, etc.; (3) Composite materials composed of non-metallic fiber reinforced resin matrix.

2. According to the source of the material, it can be divided into natural non-metallic materials

(wood, leather, etc.)

and artificial non-metallic materials (artificial materials)< /p>

Two categories.

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