HIREC, the super-hydrophobic water repellent paint, is not an inexpensive material. The price of HIREC may be several to dozen of times more than that of consumer water repellent paints.
The HIREC, however, is able to greatly reduce the total OPEX of critical infrastructural equipment, facilities and constructions such as radar systems or bridges.
HIREC keeps the super-hydrophobic water repellency of such infrastructures over a long term, thus the period before repainting work is needed can be left for a long time. The painting work on these critical infrastructures needs a lot of money for scaffoldings and labor cost, instead the HIREC cost is relatively very small. In addition the work can be done in good climate season and in less busy times. Also HIREC's performance makes operators free from unexpected maintenance work of sudden accidents caused by downpour and heavy snow. These directly contribute to reduce the total OPEX of such infrastructures.
HIREC has already been installed in critical infrastructural equipment, facilities and constructions, and has a good performance record in many situations.
HIREC is effective in avoiding signal attenuation caused by snow and rain when coated on parabolic and satellite antennas or radomes.
The observation was done in the extreme condition in Thailand on TV broadcasting during squall, which showed that the HIREC coated antennas had much less signal fade than antenna without HIREC coating. In regards to the snow, the cause of the signal fade is the water film on the surface created from melted snow. The conventional antenna with heater does not accumulate snow, but signal fade does occur, whereas HIREC-coated antenna does accumulate snow to the point where the accumulated snow slides off by its own weight, but HIREC prevents melted snow from forming water film thus avoiding signal attenuation.
It is necessary to practice coating HIREC before coating the actual intended surface. Please read through the application instructions carefully before coating for the first time, as the application is critical to the repellency of the coating.
HIREC contains Teflon particles, which is a non-transparent crystalline polymer. It is therefore an opaque coating. HIREC 450 would appear semi-transparent, because of its thinner layer when applied.
Making water repellent materials require adding minute bumps and depressions to a surface. Theoretically, transparency can be achieved if the degree of roughness on the surface is less than the wavelength of light. However, this nanotech structure has yet to be developed in coating technology. Trial products that possess qualities close to transparency have been crated, but they have not yet demonstrated satisfactory performance. Please contact us if you would like information about this developing technology.
Color can be added by a toning process. The available colors tend to be slightly pale because of the material property. If you require colored HIREC, please consult with us. The Japan Paint Industrial Society color code or the Munsell value is used. Please allow some time for the delivery for the additional toning process. As mentioned above, the finished surface will have a rough texture, and the finish will appear whitish in color. We have two standard colors in stock: White and N7.
No. Water-repellency and oil repellency are fundamentally opposite material properties.
HIREC100, with antifouling properties, has a lifespan of about three years with no maintenance. However, as UV rays set off the coating to exfoliate by photocatalyst, lifespan of HIREC depends on the strength of the UV in the area. The lifespan of HIREC1100 by itself is about one season (about three months), since HIREC1100 has weak adhesion to the surface. If HIREC1100 is applied on HIREC100 coated surface as a touchup, it will last as long as HIREC100 does.
The lifespan of HIREC450 is until the surface is dirtied. It depends on the air quality and the environment, such as pollution, dust and dirt.
HIREC100 series do not have strong adhesion strength and it requires to be reinforced with a primer coating. Common epoxy or urethane paint can be used as primer. HIREC 450 series have stronger adhesion, so that it does not require primer coat. It adheres to many different surfaces except for copper surface.
It depends on the angle of the roof. HIREC will make it more difficult for water to stay on the roof, but snow may not fall off if the roof is not steep enough.
Due to its nontransparent finish, HIREC cannot be coated onto display surfaces such as signs and billboards. It can, however, be used on the surfaces on top of the boards to prevent accumulation of snow and ice.
As is the case with general painting, coatings should not be performed in environments with temperatures below 10 degrees Celsius (45 degrees Fahrenheit). It is necessary for the coating to completely dry in order to perform its best hydrophobicity.
Since HIREC is not tolerant against abrasion, we do not recommend for HIREC to be used in applications which requires constant touching, contact or knowingly abrasive environment such as use in automobiles, boats, or other mobile units.
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