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Back to GLOSSARY OF TERMS

Working window

The hole in the bathroom furnace through which the molten glass is collected

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Glass thickness

a defect in the glass product in the form of an uneven distribution of glass melt along the thickness of the walls and (or) the bottom.

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Destructive pressure

The internal pressure at which the glass container breaks

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Bursting pressure

The internal pressure at which the glass container breaks

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Sink

1. A small flake of glass, chipped from the edge when struck with something sharp.

2. The recess remaining in the body of the glass after removing the flakes.

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Melt (Melt)

A certain amount of glass welded simultaneously

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Devitrification

Glass crystallization along with progressive loss of transparency

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Rib marks

Arc-shaped ridges on a broken glass surface perpendicular to the direction of fracture propagation

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Reversal

Periodic operation to transfer the direction of the torch in a regenerative furnace

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X-ray protective glass

this is an amber-colored glass containing 70% lead oxide, which significantly reduces ionizing radiation (X and Y).

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Reflective glass

Glass with a metallized reflective coating on one side.

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Rosalyn

A kind of stained glass, pink, stained with selenium

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Ruby (ruby glass)

A kind of stained-glass transparent glass of red color in various shades, painted with gold (golden ruby), copper (copper ruby) or a combination of cadmium sulfide and cadmium selenide (cadmium or selenium ruby)