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Dyes & Pigments in Construction Industry
The different applications of color pigments in the construction
industry are as follows:
Painting or Paint Analysis is a very common
maintenance project in all building, including commercial. Residential and
production purposes. By applying a new coat of paint on the walls of the
building, one can change the appearance of the entire building. It also
brings a new touch of fashion in this regards. Thorough analysis of paint
can give the knowledge about the composition of various pigments which are
used in the paint.
Increasing The Durability of Buildings
When paints are used on the wall, then these
paints prevent moisture from entering the walls. Now a days, most new
technological paints are used that are moisture aversive in nature. Some
improved technological pigments are used in these types of paints.
Safety of public buildings is very important, and
for this purpose, some safety-way guidance systems have been brought into
existence. Some incidents in the underground railway stations and crowded
public places, has drawn out attention towards the various safety measures.
In safety systems, some glowing pigments like phosphorescent pigments are
used. Under darkness, due to power failure, these materials in the system
start to glow brightly. This thing helps the people to find out their rescue
way. Generally, these systems are fitted in the safety passages, public
buildings, factories, stations & tunnels, ships etc.
Greater the solar radiation, higher will be the
heat absorption by the roofs of the houses. To dissipate the heat, 'Cool
Coating' technology has been invented. This new technology focuses on
reflecting solar radiation. If traditional pigment colors are used for
coating, the roof will absorb infrared radiation. Therefore, a new type of
pigments has been taken for this purpose. These pigments are called as Cool
Pigments. These pigments are more advantageous than the traditional pigments
and they absorb less infrared rays from the sun.
The two type of pigments are used for coating
- Organic Pigments
- Inorganic Pigments
Organic pigments gives various bright colors, but, these colors are not
very lightfast and opaque as compare to inorganic pigments. Inorganic
pigments are used for those applications where color warranty should be
there against sunlight and other natural elements. For metal roofing, a
special type of pigments are used, which is called as 'Complex Inorganic
Wooden materials are frequently used in all kind
of construction works, right from houses to factories, from bridges to
railways. To conserve these wooden materials, some specific kinds of
pigments are used.
Before the placement of the concrete, pigments
are mixed with it to create color. This is the most common method of
concrete colorizing. The quantity in which the pigments are mixed and the
proportion of their mixing can be altered. By altering these proportion and
quantity, the color varieties can be brought in the concretes.
Colored asphalt is used in the traffic direction,
for sporting facilities, in gardens, at school yards and squares. The color
fastness and durability will depend upon the pigments and the proportion in
which they are combined with each other.
Cooler Tiles, Metal Panels, and Shingles
Pigments are used in various commonly used
house-roofing products. These pigments are used in tiles, metals, panels and
shingles. Various cool pigments are used today for coating concrete, clay
tiles and metal panels.