Page 7 - Gaudi Facade Mouldings 2021

THE ART OF TECHNOLOGY
Production of the architectural decoration elements is a complicated and high-technology
process. Historically, architectural decoration elements were made of gypsum, the main ad-
vantage of which was the possibility to obtain products of any configuration. With the develop-
ment of science, new technologies for manufacturing of such products appeared. Architec-
tural decoration elements made of polyurethane foam are the most similar to those made of
gypsum.

High density polyurethane foam are absolutely inert and do not cause they can not cast products with non-standard configurations
interact with the environment. Due to their properties, they are and complicated patterns. In this case, Evroplast produces forms
widely used in different spheres, including medicine — such as from carbon; it is a modern material that has a higher density com-
bone implants. The density of all Evroplast products is 300 kg/m . pared to metal. This technology appeared as a result of conversion
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This is the minimum density at which their production does not of military-industrial complex technologies, and it enables the pro-
require the use of hydrochlorofluorocarbon. In order to obtain duction of extremely solid forms of almost any configuration. Such
lower density products, it is required to use hydrochlorofluorocar- equipment can survive not less than 50000 casting procedures
bon, which is preserved in the products and also penetrates the and provides high reproducibility: cast components practically
room atmosphere in the operating process. Evroplast takes care do not differ from each other. High cost is its only drawback. Not
of its consumers’ health and deliberately increases the prime cost all manufacturers of polyurethane foam products can reproduce
of its products (manufacturing of products distinguished by high the form production from composite materials. The technology of
density), refusing technology that involves applying of danger- carbon form production is an exclusive development of Evroplast.
ous hydrochlorofluorocarbon. Besides, the high density provides If the product configuration is rather simple, the form is produced
lower shrinkage and greater rigidity of the products. It is possible from a piece of metal using special multi-axis boring machines.
to divide the manufacturing process of the decoration elements of
polyurethane foam into several stages. Preparation of the Raw Materials
Production of polyurethane foam is a complicated process and
Manufacturing of Casting Forms for Products nevertheless, there are many unexplored facts related to it. For
This is one of the crucial stages of the whole production process, example, the same raw materials can have different results when
as the appearance of the products depends on the casting forms. different types of equipment are used. It is known that one batch
In contrast to the gypsum technologies, polyurethane foam not of raw materials can slightly differ from another. Sometimes the
only hardens, but also significantly expands, filling all the internal difference is not significant, but often such differences cause
space of the form, while its walls are also under high pressure. considerable changes in the properties of the finished products.
Therefore, it is possible to obtain a product that is identical to the Our laboratory of component production enables us to avoid such
form. The form must be very firm. On the other hand, form rigidity problems. Evroplast laboratory’s specialists provide incoming
results in restriction of possible configurations of the products. The control of all raw materials used for production of components,
component must be extracted from the solid form and it must not and on the basis of its results, the Production Department corrects
damage it. Many manufacturers face a problem at this stage be its compounding.

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