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GLOSSARY OF TERMS
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z
C:
Capillary Tube Units
(See Breather Tubes)
Case Hardened
A term sometimes used for tempered glass.
Center Tension
Tension stresses within the center portion of heat-treated glass.
Ceramic Enamel
An inorganic and non-metallic coating used to be fused to a substrate.
Checks
Very small cracks in flat glass usually at the edge.
Chemically Strengthened Glass
Glass that has been heat treated from ion-exchange to produce a compressive stress layer at the treated surface area.
Chip
An imperfection due to breakage.
Condensation
Moisture on the surface of an object caused by warm moist air coming into contact with a colder surface.
Crown Process
A method of making flat glass. Blowing a large bulb, opening it up, and spinning it flat.
Crush
A lightly pitted area on the glass surface, resulting in a dull gray appearance.
Cullet
Broken glass, extra glass from a previous melt or the edges that are trimmed off glass to size. Cullet is one of the essential ingredients in the raw batch in glass-making, it facilitates the melting process.
Cut Size
Glass cut to a specified width and length.
Cutting
Scoring glass with a diamond, steel wheel or other alloy wheel and breaking it along the score.
Cylinder Process
A manufacturing process of flat glass. Molten glass is blown and drawn into the form of a cylinder, which is subsequently split longitudinally, reheated, and flattened.
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