Silica (sand)

material

Silicon dioxide — the raw material of glass.

Where it is used

• Glass — is material for. Glass is made from silica with additives.
• Silicon — is material for. Silicon is obtained by reducing silica.
• Water filter — is material for. Slow filters are layers of sand and gravel.
• Quartz clock — is material for. The resonator is a quartz crystal.
• Fibre-optic sensor — is material for. The fibre is silica glass.
• EPROM — is material for. The UV-erase window is quartz glass.
• Space Shuttle — is material for. The heat-shield tiles are silica fibre.
• Internet — is material for. The backbones are silica optical fibre.
• LIGO — is material for. The mirrors are fused silica.

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