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Hüper Optik International embarked on a mission associated with old generation window films. They eventually succeeded with Nano-Ceramic Titanium Nitride!

15 Feb 2013

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Unlike modern architecture, glass was not a main material during construction back in the early 20th Century. First few generations of automobiles had less than 20 square feet of glass whilst buildings also featured more bricks.

The application of glass spread over the ages as society evolved and so did the respect for the arts and design. Just compare the difference in architectural design between the Marina Bay financial district and Shenton Way. The trend of using glass has not spared the automobile industry as well - with the current range of cars offering windscreens that are extended all the way to the roof for a 'panoramic experience'.

Functions and History of Window Films

Hüper Optik® - proud owner of World's 1st and only patented TiN Nano-Ceramic Window Films
Window films generally consist of a layer of plastic with an adhesive to create a covering for glass. Originally developed as a retrofit upgrade to improve aesthetics or to block an external observer's view of one's interior, window films today are recognised for their ability in rejecting infrared heat on top of offering protection against glare - quite essential for a tropical country like Singapore.

Most window films also have an added safety feature where in time of an impact to the glass, the strong adhesive coating on the film can hold shattered glass together, preventing injury to car occupants or individuals in buildings.

The foundations of window tinting originally started with the application of liquid tint which then developed into polyester-based dye before moving on to metallised films. These 'advanced' technologies of that time dominated the window film market for three decades with limited growth for innovation.

As the application of glass grew however, the limitations of dyed and metallised solar films started to surface - heat rejection was low, and there were numerous complaints of discoloration, fading, oxidisation and interference with radio & wireless signals.

Background of Hüper Optik® International

A complex manufacturing process called 'sputtering' is involved for creating TiN based window films
Back in 1994 Hüper Optik® International embarked on a mission to find a new material that would solve complaints associated with then-existing window films. They had an extremely ambitious aim of producing a window film without dyes or metals, and yet at the same time, offer superb heat rejection and durability.

To do so, they travelled to Germany - the home to a number of prominent researchers in various scientific disciplines and was provided an opportunity to work with Germany's leading organisation of applied research, Fraunhofer-Gesellschaft Institute, through collaboration with Singapore's PSB Corporation.

This intensive process of research and development yielded advanced nano-ceramics as a forefront candidate towards achieving their lofty goals as such materials had been utilised by race cars to reduce under bonnet temperatures and more notably, NASA, on its space shuttles to protect the delicate machine from extremely high temperatures when the shuttles re-enter our atmosphere.

Development of multi-layered Titanium Nitride sputtered window films

Literally leveraging from this space-age technology, numerous research papers were crafted around the advanced nano-ceramic material known as Titanium Nitride (TiN). In 1995, utilising a delicate and complex manufacturing process called sputtering, the world's first prototype of a TiN based window film was deviced.

As a smart coating, TiN possesses multiple functionalities.

Firstly, the heat rejection performance is superior, as it is able to reject up to 96 percent of the infrared energy from the sun. This is far more superior to today's state of technology in dyed or metallised films. In a temperature test study, the Hüper Optik® TiN sputtered films were capable of reducing temperatures by up to 13 degree Celsius after a 120 minute exposure to a halogen light source as compared to a vehicle with no film.
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