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Heat Resistant Tempered Glass

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A Distribution Center
In Okayama
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Special treated tempered
glass for fire resistance
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Fire resistance |
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Classified by the Building Codes of Japan as to BOKA-SETSUBI (20
minutes fire resistance with specific frame). |
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Wireless |
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Fine, clear view as clear float glass. |
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Strength |
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More than the static breaking strength of tempered glass in the
same thickness (conforms to JIS R3206). |
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Safety |
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FIRELEX breaks into innumerable small, cube-like fragments unlike
annealed glass. |
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A Chinese Restaurant in Yokohama |
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Fire doors and partitions of general construction. |
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| The characteristics of tempered glass should be carefully
considered when determining where it will be installed. |
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FIRELEX is available in flat plate only
and cannot be processed by being drilled, notched, or bent. Since
it cannot be cut or chamfered after manufacture, please make sure
to specify the precise size and shape when ordering. |

*Start heating up the specimen

*20 min. after heating |
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FIRELEX may break suddenly without any
external force if a deep scratch in the glass enlarges, although this
is rare. |
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In case of breakage, the whole surface of the glass
could shatter and pieces may fall out, depending on the conditions
of installation. Please consult us in advance if planning to install
FIRELEX 3 meters or more above ground level. |
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FIRELEX may show more distortion in reflected images
compared to ordinary flat glass, this is due to the heat treatment
used in production. If the quality of reflected images is of importance,
please consult our local agents prior to installation. |
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Approval for a fire door is granted for the whole unit
of glass with sash bars and frames, not by the glass alone. Please
confirm the specifications before selecting and make sure they are
approved. |
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If installation is carried out by methods or with the
materials other than those specified in the diagram, performance as
fire-rated equipment may be compromised. Please make sure of the specifications,
as the location, area, and size of FIRELEX are restricted. |
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FIRELEX cannot be used for the roof in fire resistant
construction or a skylight that requires more than 30 minutes of fire
resistance. Aside from the use in fire resistance, FIRELEX should
not be used for heaters which may be repeatedly exposed to temperatures
200 °C and higher. |
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The protective tape on the edges of FIRELEX should not
be removed during installation. If the edges become scratched the
glass may not perform well as a fire resistance. Caution should be
taken when transporting and installing. |
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In calculation, wind pressure resistance strength should
be considered as identical to that of standard tempered glass. The
exception is that the deflection in glass is more noticeable in larger
sizes, since it is approximately four times stronger than float glass. |
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Standard thickness (mm)
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Maximum size (mm)
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Minimum size (mm)
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6.5
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1,200 × 2,400
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600 × 100
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8
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10
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12
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