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Glass

Glass manufacturing and industry terms.

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Glass

Agate glass

Manufacturing; Glass

A striped-pattern glass created by mixing molten glass of different colours forming coloured bands that resemble those of natural agate.

Adsorption

Manufacturing; Glass

The surface retention by a solid such as glass or liquid of moisture or vapour. The process differs from absorption, whereby the liquid or moisture penetrates deeper into the bulk of the material. ...

Abbe number

Manufacturing; Glass

A ratio which expresses the deviating effect of optical glass on light of different wavelengths. Conceived by the German scientist Ernst Abbe (1840-1905), a professor at the University of Jena and ...

Abrasion

Manufacturing; Glass

The technique of grinding shallow decoration using a wheel with the decorated areas left unpolished.

Acid etching

Manufacturing; Glass

The process for producing decorative glass that involves the application of hydrofluoric acid to the glass surface. Hydrofluoric acid vapours or baths of hydrofluoric acid salts may be used to give ...

Abrasive wheels

Manufacturing; Glass

Solid stone or coated discs used with variable rotation speeds to cut and grind glass. Originally made of natural stone, abrasive wheels are now made of manufactured stone powders, namely silicon ...

Acid polishing

Manufacturing; Glass

A process used in the production of cut crystal to remove the opacity of etched surfaces where decoration has been applied. Glass to be polished are immersed in a mixture of demineralized water, ...

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