PRODUCTS
WINDOW TINTING FILM
Blocking heat and radiation
PRODUCTS
OUR PRODUCTS
Photochromic Film
Darkens when exposed to light, offering full UV and IR radiation blocking.
TECHNOLOGY
Films to block RadiatioN and heat
Films designed to block radiation and heat from the sun, often referred to as "Anti-Sun," have been available since the early 1970s.
This field has seen continuous technological advancements, with ongoing improvements in the quality of the films to enhance heat and glare rejection while ensuring greater durability over time.
Anti-Sun films are among the most effective solutions for protecting against radiation, glare, and heat buildup in offices and buildings. Window shading is achieved using a special material that blocks over 99% of incoming radiation.
Anti-Sun films are highly popular in stores, public buildings, shopping malls, and even private homes.
TECHNOLOGY
Sources of Heat and Radiation
Heat comes from three primary sources:
- UV (Ultraviolet): 10%
- Visible Light: 45%
- IR (Infrared): 45%
Blocking heat and radiation eliminates the need for curtains or blinds, allowing work on computers without glare or brightness issues (even on the non-sun side).
TECHNOLOGY
The evolution of window film technology
The evolution of window film technology has progressed significantly since its beginnings in the 1930s. Initially developed as "Tea Paper" with basic light insulation, window films have undergone six major technological generations, enhancing their functionality and performance. Here's a summary:
1. First Generation: Tea Paper
- Basic hiding function with minimal thermal and UV insulation.
- Low durability (fades in one year) and contains hazardous adhesives like formaldehyde and benzene.
2. Second Generation: Dyeing Film
- Dye applied directly to the adhesive layer, offering limited thermal and UV insulation.
- Moderate lifespan (two years) but low definition and hazardous adhesives persist.
3. Third Generation: Vacuum Aluminium Plating Film
- Utilises vacuum thermal evaporation to coat aluminium on the film base.
- Offers moderate thermal insulation, higher durability (five years), and improved definition.
4. Fourth Generation: Nano Ceramic Film
- Employs coating or magnetron sputtering to evenly distribute nano ceramic particles.
- Absorbs heat effectively, offers over seven years of durability, and does not interfere with wireless signals.
5. Fifth Generation: Magnetron Sputtering Metal Film
- Uses electromagnetic induction to apply precious metals (gold, silver, titanium, nickel).
- Provides better definition, higher thermal insulation, and lasting durability (over seven years).
6. Sixth Generation: Multi-Layer Magnetron Sputtering Metal Film
- Sprays multiple layers of precious metal alloys using electromagnetic induction.
- Represents the pinnacle of window film technology with high definition, superior thermal insulation, low light reflection, scratch resistance, and anti-burst properties.
Each generation builds on advancements in material and manufacturing techniques, culminating in modern, high-performance films with a wide range of applications.
FAQ
FREQUENTLY ASKED QUESTIONS
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What is the Infrared (IR) range?
The Infrared (IR) spectrum is generally considered to cover a broader range of wavelengths than the range you've mentioned (700 nm to 2500 nm). The IR spectrum can be divided into several sub-regions, each with its own characteristics. Here's a more precise breakdown:
Does Smart Glass be installed in a standard Aluminium frame?
The UV (Ultraviolet) spectrum typically ranges from 100 nm to 400 nm. Here's a breakdown of the different sub-regions of the UV spectrum:
UV-A (Long-wave UV): 320 nm to 400 nm
This is the least energetic and longest wavelength UV radiation.
UV-B (Medium-wave UV): 280 nm to 320 nm
This range is more energetic and is responsible for sunburns.
UV-C (Short-wave UV): 100 nm to 280 nm
This is the most energetic and harmful form of UV radiation, but it is almost completely absorbed by the Earth's atmosphere.
What exactly is VLT?
What is the most important parameter to measure heat?
How do solar films interact with different glass types?
Could the glass break due to heat concentration?
Is it normal for glass to feel very hot after film installation?
What is magnetron technology?
Are there different types of solar films?
How do I choose the right solar film?
Can solar films be removed?
. Are solar films expensive?
TECHNOLOGY
Solar Parameters
TSER (Total Solar Energy Reflectance) is a measure of the reflectivity of a surface for solar radiation, and it is often expressed as the sum of the reflectance across different spectral bands. The formula to compute TSER from the reflectance values in different spectral bands (VLT, IR, and UV) typically involves taking the weighted sum of reflectance across those bands, with the weights representing the relative contribution of each spectral range to the total solar radiation.
If we define:
-
Visible light (VLT): The visible light part of the spectrum generally covers the range from about 400 nm to 700 nm.
-
UV (Ultraviolet): The UV spectrum typically includes wavelengths from about 100 nm to 400 nm.
-
IR (Infrared): The infrared spectrum is generally considered to cover wavelengths from 700 nm to 2500 nm.
Then the formula for computing TSER is generally:
TSER= 43% x VLT + 52% x (1 - IR rejection) + 5% x (1 - UV rejection)
A higher TSER (Total Solar Energy Rejected) means the window film or glazing is better at rejecting solar energy
TSER and SHGC Relationship:
TSER and SHGC measure related but opposite effects: TSER represents the percentage of solar energy rejected, while SHGC indicates the fraction of solar heat allowed inside; together, they sum to 100%.
Thus:
TSER = (1 - SHGC) * 100%
In practical applications, the exact values for α depend on the specific material, and the SHGC will often be calculated taking into account both transmitted and reflected radiation, as well as other thermal properties.
