Materials- Ceramics and Glass

Density of Asbestos Cement Compositions

1.6–2.0 g/cm³

Melting point of Asbestos Cement Compositions

1000 °C

Colour/lustre of Asbestos Cement Compositions

Grey, dull

Density/relative density of Asbestos Cement Compositions

~1.8

Uses of Asbestos Cement Compositions

Roofing sheets, pipes, insulation

Properties of Asbestos Cement Compositions

Fire-resistant, durable, corrosion-resistant, brittle

Density of Porcelain

2.3–2.5 g/cm³

Melting point of Porcelain

1200–1400 °C

Colour/lustre of Porcelain

White, glossy

Density/relative density of Porcelain

~2.4

Uses of Porcelain

Electrical insulators, sanitaryware, decorative items

Properties of Porcelain

Hard, brittle, chemically resistant, insulating

Density of Steatite

2.6–2.8 g/cm³

Melting point of Steatite

1500–1600 °C

Colour/lustre of Steatite

White to grey, dull

Density/relative density of Steatite

~2.7

Uses of Steatite

Electrical insulators, high-temperature applications

Properties of Steatite

Hard, brittle, good electrical insulator, heat-resistant

Density of Special Ceramics (Alumina, Zirconia)

3.5–6.0 g/cm³

Melting point of Special Ceramics (Alumina, Zirconia)

2000–2700 °C

Colour/lustre of Special Ceramics (Alumina, Zirconia)

White, grey, or translucent, sometimes glossy

Density/relative density of Special Ceramics (Alumina, Zirconia)

~4.0–6.0

Uses of Special Ceramics (Alumina, Zirconia)

Cutting tools, biomedical implants, electronics

Properties of Special Ceramics (Alumina, Zirconia)

Very hard, brittle, chemically inert, heat-resistant

Density of Glass

2.4–2.6 g/cm³

Melting point of Glass

1400–1600 °C

Colour/lustre of Glass

Transparent, shiny

Density/relative density of Glass

~2.5

Uses of Glass

Windows, bottles, containers, optical instruments

Properties of Glass

Brittle, hard, chemically resistant, insulating

Density of Mica Glass

2.8–3.0 g/cm³

Melting point of Mica Glass

1200–1400 °C

Colour/lustre of Mica Glass

Transparent to slightly colored, shiny

Density/relative density of Mica Glass

~2.9

Uses of Mica Glass

Electrical insulators, furnace windows

Properties of Mica Glass

Heat-resistant, electrically insulating, brittle