Ceramic film is not heat resistant?

With the rise of the new aristocrat-ceramic membrane in the car membrane market, the majority of car owners are more and more aware of the advantages of ceramic film. But at the same time, some rumors about ceramic film are still spreading, one of They are about the thermal insulation of ceramic film.

Having with metal film, ceramic film has the advantage of non-shielding signal and non-oxidation. So, what is the performance of ceramic film in heat insulation?To answer this question, let's review the history of membrane development.Understand "what is ceramic film" and "why need ceramic film".

Previously, there were two products that have now phased out in the film market: coated and composite processes, also known as "tea paper", and an upgraded version of the dye film.

Both films have the same disadvantages: easy fading, late foaming, and poor thermal insulation.

On this basis, the third generation of car film-vacuum thermal evaporation film was born. The aluminum layer was evaporated on the substrate by vacuum thermal evaporation process, and the heat insulation effect was achieved. This kind of product also belongs to the metal film That is commonly called. However, this kind of film is usually only single-layer metal layer, the weakness is poor clarity, high reflective light, easy to bring light pollution, and affect driving comfort.

To solve this problem, the metal magnetron sputtering film was born. The fourth generation metal film with multi-layer metal layer is superior in heat insulation, but it brings new problems-the metal particles added to the film have inevitable shielding and interference to mobile Phone, GPS signal and so on. And as a metal, the problem of oxidation has not been solved.

How to deal with this problem? The answer given by the scientific study is new material.

As a result, the fifth generation of membrane ceramic membrane has come into being.

So how does the ceramic membrane achieve a high thermal insulation?

Are there a gap between the ceramic membrane and the general metal film on the heat-insulating property?

Traditionally, ceramics are composed of silicon dioxide and other substances, such as indium tin oxide, titanium nitride and so on, which are used on the explosion-proof film. The materials have the function of selective filtration to the solar spectrum, and their thermal Insulation performance is far higher than that of metal, and the reflection of light is lower. The stability is excellent.

The titanium nitride used in amber optics is the material with the best infrared reflection and the lowest infrared absorption in the compounds on the earth, and it has very high physical hardness and chemical inertia. As the base material of amber optics, the hardness and corrosion resistance Of the material are greatly improved.

Due to the stability of ceramic properties, nano-ceramic coatings are also widely used in aerospace industry.