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Window improvement by applying IR-UV Thermal Glass Coating
Our IR-UV Thermal Glass Coating is a super-durable Heat-insulating liquid treatment for prevention of heat transfer and condensation. It is a highly-effective and easily-applied (after training) liquid counter-measure for infrared and UV radiation through glass windows.
October 29th, 2012
IMPROVING THE INDOOR ENVIRONMENT thru IR-UV Thermal Glass Coating
Applied by trained personnel to the inside of existing windows, it offers many advantages over other methods of improving the energy efficiency of older properties, blocking 99% of UV light and cutting condensation by up to 50%.
Because IR-UV Thermal Glass Coating is applied to the inside of windows and dries very quickly, it can be applied at almost any time with the minimum of disruption to a building's occupants. The safety aspects of such an approach have considerable advantages over other methods and the lifespan of the coating far exceeds that of any applied films of comparable performance.
Benefits of IR-UV Thermal Glass Coating
• Cuts IR rays through windows and reduces condensation by up to 50%
• Makes indoor environments cooler in summer and warmer in winter
• Heat-Insulation: interior heat reduced by 7～10℃ in summer
• Blocks heat in summer, reducing Air-Conditioning costs by around 20%
• Protects people, furniture and equipment from harmful effects of UV Light
• Restricts heat from radiating through treated glass in winter, reducing heating costs
• Durability: 10 - 20 years, guaranteed for 10 years
• Much reduced CO2 emissions from buildings
Background to IR-UV Thermal Glass Coating
In this era of global warming skyscrapers covered with glass are going up everywhere, creating an urgent need for suitable glass products to improve energy efficiency of these buildings.
Solutions now on the market include Low-E glass, heat absorbing glass, reflecting glass, double and triple glazing, power windows and insulating films.
The price of these products ranges widely, from around 30 dollars and up to several hundred dollars per square meter. The cost of replacing existing windows with more energy-efficient windows is even higher.
Worldwide the search was on for a thermal glass coating process suitable for use on existing windows as well as new windows, in order to comply with the emission trading scheme for carbon dioxide restrictions in compliance with the Kyoto Protocol. A suitable coating should be able to work effectively as a barrier against winter heat loss as well as summer heat gain.
Thermal glass coatings were originally developed over 15 years ago. The original products were difficult to apply and cracked easily. They were also very expensive and unsuccessful in the market. The criteria therefore for our new product was that it could be applied in a simple, cost-effective way.
We have achieved this with a thermal glass coating that offers the following benefits:
1. Improved thermal performance
2. Increased lifespan
3. Significantly lower installed price
4. Does not generate reflecting contamination as does reflective glass
5. Does not interfere with the heat from the winter sun (acting in temperatures below 5°C and 25 °C) due to its high transparency
6. Does not oxidize
7. Easy to apply to existing windows
Problems with other methods
Problems with reflective glass
It has long been considered necessary to reduce the visible light transmission to 40% or less to reflect a significant proportion of infrared radiation in tall buildings. In fact, the best energy savings come from the reducing of both infrared and visible light. The most popular products currently on the market that have the ability to do both are either reflective glass or glass with reflective film.
Problems in summer
In recent years reflective glass and films have come to be seen as a major environmental problem in areas with tall buildings because the entire glazed building surface behaves just like a giant mirror, producing an annoying glare that reflects heat onto adjacent buildings and down into the ground. At night the ground then radiates heat, creates an undesirable "island heating effect" in large cities.
Problems in winter too …
During the winter, on the other hand, the reflections in the mirror windows keep the sun's heat and energy outside the building's interior, causing a larger heating requirement resulting in increased heating costs and CO2 emissions.
These effects have led to increased market demand for low-e glass, double-glazed windows and transparent insulating films.
Mirror Windows and Low-E-Windows
These typically cost three times more than common glass and when you include factors such as the removal of the existing Windows and frames, which means disruption to business and inconvenience to tenants - maybe even including relocation with additional increased costs and reduced rental income.
Application of solar or insulation films
Even the cheapest films cost several dollars per square meter and the best cost considerably more. Film may have to be replaced every 5-10 years. Rarely is the warranty period for more than 5 years, and then with reservations! Our IR-UV Thermal Glass Coating costs less than for films with similar characteristics and is much easier to apply with less risk of damage to the transparency of the window.
Lifespan: How long do some of these products remain energy-efficient?
• Various applied films have a working life of between 5 and 10 years.
• With double and triple glazing the gas can often disappear within a 10-year period.
Replacing windows can be very costly, not just in terms of cost of replacement glass and labor, but the disruption to business and inconvenience to tenants - maybe even including relocation - during the process.
Advantages of IR-UV Thermal Glass Coating cured at room temperature.
With our new IR-UV Thermal Glass Coating, we can change the energy properties of windows at a cost less than 100 dollars per window, depending on size. The coating also blocks harmful UV rays. It costs considerably less than the cost of replacing existing windows with new windows. The warranty period for our IR-UV Thermal Glass Coating is 10 years, but the effective operational life is much longer, not least because it is applied to the inside, rather than the outside of the window.
Our IR-UV Thermal Glass Coating is the most cost-effective alternative to existing products. Waste is reduced to a minimum because the amount of coating required can be calculated very precisely.
The coating does not oxidize as can sometimes happen with soft Low-E glass.
The coating has very good self-leveling properties, reaching the required coating consistency just 5 minutes after application. It is touch dry within 30 - 40 minutes and fully hardened within 48 hours. The finished surface is guaranteed 10 years but will carry on doing the job for many years afterwards.
Therefore from all angles, our IR-UV Thermal Glass Coating is the clear winner.
Function of IR Thermal Glass Coating
Our IR-UV Thermal Glass Coating product has the properties that it reduces infrared radiation (IR) and blocks 99% of the harmful UVA radiation through the window.
Effect of blocking IR through glass coated with our IR Thermal Glass Coating
inside window temperature difference
normal windows 55 ° C
IR-UV glass window 45°C to 48′C 7~10*C*
Reduces Condensation by as much as 50 %.
Our IR-UV Thermal Glass Coating is also effective in winter to block heat from flowing out through the window glass, significantly reducing the temperature differential between the window and the inside of the rooms thus reducing condensation.
Summary of benefits of IR Thermal Glass Coating
1. Application costs are comparatively low
2. Life expectancy up to 3 times as long as films with comparable characteristics.
3. Highly transparent - ideal for use in all places where a good views is crucial, such as restaurants, hotels, shop windows, and of course in all workplaces, nursing homes, etc. where the occupants need as much natural light as possible.
4. Reduces C02 emissions
5. UV-light - blocks 99% of the harmful radiation
6. Reduces heat gain in summer and heat loss in winter leading to big energy savings.
Note: The method for calculating the incoming heat load for a glass window is:
Window Heat Load Factor = (Standard Radiation Gain) X (shading coefficient) X (area of the window) X (number of cooling days)
NanoLandGlobal is a vendor-neutral nanotechnology company. We generate revenue by proposing improvements to organizations, where we are able to advise on adoption of nanotechnology solutions that demonstrate clear value in reducing operational costs, identifying new services, improving quality, enhancing safety, productivity, innovation, energy efficiency, process automation, problem solving, etc.
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