"PERSPEX” SHAPING
NEW INDUSTRY IN HONG KONG
material has proved eminently suitable.
room
and restaurants, and in the home. Of
are
and stronger than any type of louvre and they are more efficient than most. They are easier to clean, and enclose the light- ing fitting completely, thus protecting it. Completely dust proof construction is possible. Finally such shaped "Perspex"' panels can be cheaper than louvres.
very
Let-
In Europe and the U.S.A. the major cent and sodium vapour lamps, and, with uses of acrylic sheet materials are those both types, refractor plates machined from in which the sheet has been shaped after "Perspex" are often cemented on to the heating.
inside of the enclosing bowls to control the light. In other types of fluorescent
In addition to lighting fittings, shaped Hong Kong has, until now, seen only fittings, diffusing opal Perspex" is used, "Perspex" is of interest to the builder one of the major applications of shaped without any other control element.
and architect for a variety of other ap- "Perspex", namely outdoor and indoor
plications. The wide colour range of the lighting fittings, which have been import-
In interior lighting, "Perspex" is used material, its aesthetic appeal, its excep- ed from Britain on a considerable scale.
with both fluorescent and metal filament tional resistance to deterioration on ex- With the establishment of a "Perspex" lamps and for both pendant and built-in posure and its light weight make it of shaping industry in Hong Kong, however, fittings, in buildings of all kinds banks,
offices, hospitals, hotels and other com- signs of all kinds.
wide appeal for shop facias and for the way is clear for a much wider adop-mercial and public buildings, industrial in "Perspex may be made to any desired Signs and shop facias tion of "Perspex" for the many uses for which, in both Britain and America, the buildings and warehouses, schools, shops shape and design by the simple hot-shap-
the pendant type fittings, simple but ing technique previously described. Although rigid at
ters in a variety of type faces can also be temperature, very efficient open trough reflectors
shaped in 'Perspex' and cemented to "Perspex" becomes flexible and rubbery made by the use of dense opal reflecting
shaped bases or mechanically fixed direct when heated to about 150°C. While "Perspex".
to buildings. With "Perspex", signs and flexible it can be shaped by light pressure, Current trends in interior lighting are, shop facias can be made as effective by and if it is held in the imposed shape however, away from pendant type fittings night as by day through simple expedient until it is cool, the imposed shape will be and towards built-in lighting, and here internal illumination. retained but the sheet will have regained again. "Perspex" is very widely used. throughout the world are turning
Large organisations its rigidity and hardness.
The most common and successful built-in and more to "Perspex" for outdoor and "Perspex" is tough and very difficult lighting systems are those employing in indoor advertising signs, shop fronts and to break. Even if it is broken it does not dividual recessed fittings or continuous hanging nameplates. shatter. It is made in clear form and in runs of recessed fittings, and "Perspex'' a very wide range of colours, including a is excellent for these. Its light weight "Perspex" is also used for the shaping number of opals designed specially for the reduces the cost of fixing and support; of dome lights for the rooflighting of flat manufacture of lighting fittings, and is it can safely be used for even the longest roofed buildings clear and opal mate- outstanding for its resistance to degrada- of continuous runs because there is no risk rials in a variety of shapes being used. tion on exposure in any climatic condi- of its shattering. tions. The clear material remains clear and consistency of the opal "Perspex" such
The optical efficiency Fixing is simple, and may be arranged in a way as to provide permanent transmitting 92% of incident light the transmission and reflection factors of the materials is such that there is no irregu- ventilation or to be completely sealed. opals remain constant, and the coloured larity in the appearance of the installa- tion, and the excellent durability of materials retain their initial colour. The
Perspex" ensures that there is no change in optical or mechanical properties through- out the life of the fitting.
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Within buildings, shaped "Perspex" is strength of the material is also unaffected
used for baths, wash basins and sink units It is interesting to note that "Perspex" by exposure. "Perspex" has a low speci-
is widely used for such accessories as door fic gravity (1.19) and sheets or shapings
and furniture handles, finger plates and of large area are therefore light in weight
Another type of built-in lighting system splashbacks and these articles, although and easy to instal and support. This ease currently much in favour is that in which often decorated, do not make use of the of installation and support often make
"Perspex" pane's, shaped to provide fact that the material can be hot-shaped. "Perspex" cheaper to use than other
general diffusion combined with the de. The full potentialities of "Perspex" are materials, and 'Perspex" shapings are, in addition, of low maintenance cost.
corative texture of louvres, are used. Any realised, however, and full advantage is non-reentrant design can be imparted to taken of all its properties, only when its Lighting fittings of all kinds are among the "Perspex" sheet by the simple heat shapability is exploited; then "Perspex'' а material for the the biggest and most important of the shaping technique previously described is translated from applications of shaped "Perspex". In and such panels, while having the ap- manufacture of minor accessories into a street lighting fittings "Perspex" is used pearance of, have several advantages over, material for the manufacture of fittings for the enclosing bowls of both fluores- louvres. In the first place they are lighter [and equipment of major importance.
SINZIG
WALL AND FLOOR TILES
The Sinzig factory enjoys almost a It was at Sinzig about 30 years ago The reputation which Sinzig wall hundred years reputation in the tradi- that the first "flamed" or mottled floor and mosaic tiles enjoys today is tional production of vitreous tiles.
floor tiles were produced. A little due to their consistently high quality, later, by the creative initiative of the excellert appearance and economic Old skills and experience have been sister factory at Ehrang near Trief, advantages. In many cases they are preserved but have been carefully the Treveris Tile was produced. This virtually indispensable. adapted to enable the manufacturers tile has the advantage of a vitreous to produce these tiles in modern body with the soft colours of yellowish wall tiles may be seen in the facade Examples in Hongkong of Sinzig plants.
or reddish marble. Sinzig floor tiles of the Yu To Sang Building on Their vitreous glazed split tiles for are currently produced on a very large Queen's Road Central, the swimming interior and exterior wall surfacing scale and exported to almost all world pool at the New Ritz in North Point, have attained great popularity because markets.
and in two other big city buildings
of their attractive colour range, and In addition to wall and floor tiles, now under construction. Their floor their technical perfection today pur- the works also produce Mosaics of tiles have been used in the Peninsula passes any former standards.
very high quality.
Court and the Race View Mansion.
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