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Introduction
Zamil tempered glass, known as “TEMP-LITE”, is manufactured on the world’s most sophisticated horizontal production line. It is approximately five times stronger than ordinary annealed glass of the same thickness and meets architectural safety standards on impact resistance worldwide. Manufacturing using this horizontal process means that “TEMP-LITE” is free from the unsightly tong marks normally associated with vertically tempered glass.
Manufacturing Process
Cut size and edge worked glass is washed after inspection. The glass is then heated in a furnace to 75Q0 C, after which it is immediately cooled rapidly in a quench chamber. This process creates a state of high compression in the outer surface of the glass with balancing tensile stresses in the centre.Although in appearance the glass is virtually unchanged, the bending strength is, in fact, increased by a factor of four or five times, thereby reducing the risk of fracture and breakage from mechanical or thermal shock.
Safety and Standards
The increased strength and safety of tempered glass minimises the risk of personal injury. Furthermore, when it does break, tempered glass fractures small pieces, which tend not to have sharp edges.
“TEMP-LITE” is tested and approved to British Standard BS6206 for impact performance requirements for flat safety glazing materials for use in Class A buildings. The Zamil test facilities are in strict compliance with the American National Standards Institute Z97 test.
Applications
“TEMP-LITE” is ideally suited for use in frameless, all-glass assemblies, low-level glazing, doors, side panels, partitions, balustrading, balconies, shower and bath enclosures and gardenwindbreaks. Its thermal strength also enables it to be used in spandrel panels.
It will withstand temperatures from ~7QO C to +300 0C and can be exposed to thermal gradients, where one surface reaches 250 0C, while the other remains at ambient air temperature. It is, therefore, ideal for oven doors, refrigerator shelves and many other industrial applications.
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