TYPES OF GLASS

TYPES OF GLASS COMMONLY USED IN BUILDINGS

ANNEALED GLASS

  • Clear annealed glass
    Also known as clear float glass. This sheet glass is manufactured from molten glass by using a flotation process.
  • Tinted heat absorbing annealed glass
    Ordinary annealed glass with additives, such as metal oxides, which are included in the molten glass to produce tinted glass. This glass is available most commonly in grey, green or bronze tints.
  • Heat reflecting annealed glass
    This glass is ordinary annealed glass with a special heat reflecting metallic or ceramic surface coating. An example of this type of glass is Low e.
  • Patterned annealed glass
    This glass is decorative ordinary annealed glass available in various obscuring and textured effects.

TOUGHENED SAFETY GLASS

Toughened safety glass is produced by heating ordinary annealed glass in a furnace. The result is a glass up to five times stronger than annealed glass. When broken, this glass will fracture into relatively small pieces. It, therefore, can be used as a safety glass in doors and elsewhere as required. Many of the annealed glass types and thicknesses can be processed into toughened safety glass.

LAMINATED SAFETY GLASS

Laminated safety glass is produced by bonding two layers of annealed glass onto a special vinyl interlayer. When broken, laminated glass will develop cracks but the pieces will generally be held together by the laminated interlayer. It, therefore, can be used as a safety glass with the additional benefit of improving the security of a building.

Laminated safety glass is available in various thicknesses and styles. Different thicknesses of interlayer are also available in combination with various component glasses to produce special security and/or sound absorbing products.

The above glass types can be incorporated into manufactured Insulated Glass Units with the exception of some types of textured and specialty glass.

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