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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
B:
Bent Glass
Flat glass that is curved into shapes while still hot.
Beveling
The process of edge finishing glass to a beveled angle.
Blemish
A noticable impefection in glass.
Blisters
Bubbles in a coating film that forms during the heat treating process.
Bow (or Warp)
A curve, bend or other deviation from flatness in glass.
Break Pattern
The resulting pattern formed by the cracks in glass when broken. Also called the fracture pattern.
Breather (Tube) Units
An insulating glass unit with a tube in the unit's spacer to accommodate pressure differences in shipping, due to the change in elevation. These tubes are sealed at the jobsite prior to unit installation.
Bubbles
A gas pocket in the interlayer material or between the glass. In float glass, a inclusion greater than 1/32" in diameter.
Bulb Edge
The extreme lateral edge of the ribbon, as drawn in the float glass manufacturing process.
Bullet Resistant Glass
The multiple lamination of glass. Glass and plastic that are designed to resist penetration from small fire arms.
Butt Glazing
The installation of glass where the vertical glass edges are without structural supporting mullions.
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