Why can the coated glass of high-rise buildings in Guangzhou insulate heat, resist ultraviolet rays, and protect privacy?
Release time:
Mar 25,2025
Coated glass can achieve heat insulation, UV resistance, and privacy protection, the key lies in its surface special film layer design and function. The following is a detailed analysis of why coated glass has these characteristics:
1. Heat Insulation Performance
The heat insulation effect of coated glass mainly comes from its surface coating layer. These coating layers are usually composed of metal oxides or metal thin films (such as aluminum, nickel, silver, etc.), which have very strong thermal reflectivity.
- Principle: These metal films can effectively reflect infrared radiation in sunlight, thus reducing the heat transfer through the glass.
- Effect: It can significantly reduce the indoor temperature in summer, reduce the burden on air conditioning, save energy consumption, and is particularly effective in areas with strong sunlight.
2. Anti-ultraviolet (UV)
The surface coating layer of coated glass can effectively block ultraviolet (UV) rays, thereby protecting the interior from UV damage.
- Principle: Many coated glasses use low-emissivity films (Low-E films) or ultraviolet shielding films that can absorb or reflect more than 99% of ultraviolet rays.
- Effect: It can effectively prevent ultraviolet rays from entering the room, prevent furniture, carpets, curtains, etc. from fading, and reduce skin damage.
3. Privacy Protection
Coated glass can also protect privacy, especially when using one-way perspective film.
- Principle: Some coated glasses have special reflective films on their surfaces. Under certain lighting conditions (such as strong sunlight or night lights), people outside will see a mirror effect, making it difficult for the inside to be peeped.
- Effect: During the day, people outside can hardly see inside, while people inside can still see the outside through the glass.
- Note: This privacy protection effect will usually vary with changes in light intensity, especially at night or in low-light conditions, the privacy protection effect will be affected.
4. Others Functions
- Reduce glare: Coated glass can effectively reduce strong light passing through the glass, reduce the reflection of indoor light, and improve comfort, especially in environments with strong sunlight.
- Enhance the durability and scratch resistance of glass: Some types of coated glass also have the effect of improving surface hardness and scratch resistance, making the glass more durable.
Therefore, coated glass is widely used in modern building and home design, especially in high-rise buildings, offices, commercial places and homes, which not only improves the energy efficiency of buildings, but also enhances the comfort and safety of living and working environments.
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China Guangdong Haibo Special Glass Technology Co., Ltd. Unified Social Credit Code: 91440101MA5AT33G12 Contact Numbers: General Manager Cao, 13178822749; General Manager Wei, 13533794186.