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Toughend Safety Glass
    
 
In 2005, CS Glaziers(our suppliers) saw the launch of a new product – Tuff Cymru™ Toughened Safety Glass – which is the only toughened safety glass produced in North Wales.
With there new Efco toughening plant, with full air aspiration, they now manufacture toughened glass as small as 300mm  x  200mm  and as large as 1600mm  x  3000mm and from 4mm thick up to 19mm thick kitemarked. 
It is available in annealed, all Pilkington’s pattern range, ‘K’ glass and soft coated glass. As well as being used in windows, doors, etc., it can also be used for shower doors, screens, splash-backs and worktops.
We can supply toughened glass with shapes, cut-outs, holes and polished edges in clear or figured glass.
In May 2006 they obtained their Kitemark Licence  KM502606 and their BSEN12600. The Kitemark is the symbol of trust, integrity and quality.
Manufacturers having this award associated with their product will reassure customers that they have satisfied the most rigorous of quality processes.
   

PROPERTIES   Strength
Generally the tensile strength is increased by up to 4-5 times over annealed glass, which significantly increases its resistance to impact. This strength and its unique breakage characteristics give rise to a Grade A safety glazing certification.

Thermal Strength
The properties of Pilkington Toughened Safety Glass will not significantly alter within the temperature range -70oC to +300oC. It therefore offers resistance to sudden temperature changes. One surface can be exposed to a temperature of up to 250oC, while the other surface remains at 0oC. Furthermore it will not fracture even when splashed with molten metal, although the surface may be damaged. In many architectural situations, heat absorbing glass should be toughened, particularly where there is a possibility of breakage through thermal stress.

Breakage
In the unlikely event of breakage, Pilkington Toughened Safety Glass will fracture into small fragments. These are relatively harmless if handled with care.

Working
All processing must be done before the glass is toughened. Any attempt to cut, drill, edgework or otherwise process the glass will result in damage.

Handling and Storage
The edges of toughened glass are particularly vulnerable. Care is necessary both in handling and installation. The panels should be set on edge on strips of wood or felt in dry conditions and never stacked horizontally. Interleave each piece of glass with paper. Wash with a mild detergent or a liquid cleaner specifically recommended for use on glass. Rinse with clean water. Never use abrasive cleaners. Always dry glass completely.

Flexibility
Pilkington Toughened Safety Glass will deflect to a much greater extent and tolerate more repetitive load variations than ordinary glass of the same thickness before fracture occurs.

Durability
Pilkington Toughened Safety Glass will not be affected by normal weathering or exposure, however the toughening process does not increase the resistance to scratching or abrasion. The surface therefore must be protected from wet concrete or damaging alkaline chemical solutions.
Sound Insulation
Pilkington Toughened Safety Glass has the same sound insulation properties as annealed glass. Improved sound insulation will be achieved by Pilkington HUSH Glass, thicker glass and laminated glass.