Foshan manufacturers of electric heating glass for defogging, how electric heating glass achieves defogging and heat preservation functions through electric current
Release time:
Mar 17,2025
Electric heated glass is a transparent material that uses the principle of resistance heating. The specific principle and process of achieving defogging and heat preservation through electric current are as follows:
I. Working Principle
Electric heated glass applies a transparent conductive coating to the surface of float or tempered glass. When the power is turned on, the coating generates heat, thereby raising the temperature of the glass surface and radiating heat. This transparent conductive coating is usually made of tiny tin dioxide or other conductive materials, ensuring both the transparency of the glass and its conductivity.
II. Implementation Process
Application of Conductive Coating:
A thin layer of conductive coating, such as tin dioxide, is applied to the surface of the float or tempered glass.
The coating must be uniform and smooth to ensure that the current flows evenly and generates heat.
Electric Heating:
Two busbars are applied parallel to the opposite edges on the same side of the glass plate and connected to the power control unit.
When the power is turned on, the current flows through the busbars and the conductive coating, generating heat in the coating.
The heat is radiated from the glass surface, raising the temperature of the glass surface.
Defogging and Heat Preservation:
In low-temperature or humid environments, fog or ice easily forms on the glass surface.
Electric heated glass, by heating, can eliminate fog and ice on the glass surface, maintaining a clear glass surface.
At the same time, the heated glass surface can also provide insulation, reducing heat loss.
- Application Scenarios
Due to its defogging and heat preservation functions, electric heated glass is widely used in various fields, such as:
Automotive windshields: In extremely cold weather, electrically heated windshields can eliminate fog and ice on the glass, maintaining a clear driving view and improving safety and comfort while driving.
Refrigerators and freezers: Prevents frost formation on glass doors, keeping the contents clearly visible.
Environmental test chambers, constant temperature and humidity chambers: Ensures the stability and accuracy of the experimental or storage environment.
Construction field: As part of a high-efficiency heating system, improving the energy efficiency of buildings.
IV. Precautions
When using electric heated glass, the operating temperature should be controlled, preferably between -40℃ and 80℃.
Avoid scratching the glass with sharp objects, protect the electrode part, seal it with neutral glue or aluminum frame, and avoid long-term exposure of the electrodes to reduce product life.
When cleaning the glass, please use soft materials such as cloth. Avoid using hard materials such as paper or newspapers to wipe, so as not to scratch the glass surface film.
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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.