 Flat Glass |
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MONOLITHIC GLASS |
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FLOAT GLASS |
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FIGURED GLASS |
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WIRED GLASS (POLISHED
/ FIGURED) |
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BRONZERAL/ GRAYRAL/ GREENRAL |
MIRROR |
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MIE MIRROR |
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MIE MIRROR DELUXE |
FIRE RESISTANT GLASS |
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HEAT RESISTANT TEMPERED GLASS (FIRELEX) |
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HEAT INSULATING GLASS (FUEGOLEX) |
FUNCTIONAL GLASS |
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HEAT REFLECTIVE GLASS (SKYLEX) |
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HIGH-PERFORMANCE HEAT REFLECTIVE GLASS (SKYCOOL) |
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INSULATING GLASS UNIT (PAIRLEX) |
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LAMINATED GLASS (LAMILEX UV) |
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TEMPERED GLASS (TEMPALEX) |
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HEAT STRENGTHENED
GLASS (HS-LEX) |
| Heat Strengthened Glass |
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| Glass that delivers twice the wind-pressure resistance
and thermal cracking resistance as does ordinary annealed glass | |
 An Office Building in Chiba |
| HS-LEX, manufactured by heating flat glass in a unique process, has twice the wind pressure resistance and thermal cracking resistance of annealed glass. HS-LEX breaks in a manner more like float glass than tempered glass, that is, the broken fragments tend to remain in sashes rather than fall out. HS-LEX is recommended for use in elevated locations. | | |
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 | Double strength |
| Because its wind pressure resistance is at least twice that of annealed float glass of the same thickness, HS-LEX is recommended for locations subject to high wind pressure. | |
| Thermal cracking resistance |
| Thermal cracking resistance is also twice that of annealed float glass. For all locations where thermal cracking is anticipated, heat strengthening processing can be used to add thermal cracking resistance. | |
| Fallout prevention |
| As HS-LEX breaks in a manner similar to that of float glass, the
fragments tend to remain in the sashes, preventing fallout. |
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Locations where resistance to high wind pressure are required. |
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Spandrels in locations where thermal cracking is anticipated. |
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Locations subject to high wind pressure, such as the
upper stories and corners of buildings. In these locations, HS-LEX
makes possible high uniformity in the thickness and tint of glasses
and in the groove of sashes. |
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Reflective images can be more deformed than those of float glass or heat reflective glass, since HS-LEX is heat processed during manufacture. |
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HS-LEX cannot be cut, beveled, chipped or drilled after manufacture. Specify the accurate size and shape when ordering. |
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Strength may be decreased if the surface or edges are
damaged. Handle with the same care as ordinary glass. |
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Use a superior elastic sealing compound (polysulfide or silicone). |
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Use polyethylene foam or chloroprene rubber as a backup
material. |
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Provide setting blocks of chloroprene rubber (90° hardness)at two places along the bottom edge. |
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| Heat strengthened glass is not a safety glazing material.
If the glass is broken, fragments may cause injury like that from
float glass or heat reflective glass. It should not be used where
human impact is possible or where safety glazing is required. However,
there are some uses for heat strengthened glass if building regulations
require or permit them. |
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