Safety explosion-proof membrane, also known as "insulation film", is a high-insulation metal film layer made of aluminum, gold, copper, silver and other metals by vacuum spraying or magnetron sputtering technology. After being processed by one or more layers of polyester film, it can be attached to the surface of the glass to provide functions such as heat insulation, safety and decoration. Safety explosion-proof membrane is more advanced than industrial film and glass film. It has eight layers of structure:
1. Anti-wear layer: composed of wear-resistant polyurethane, hardness up to 4H;
2, colored PET safety base: from high-strength, high-transparency PET polyester and pigment melt extrusion two-way stretching, because the pigment is sandwiched inside the PET film, can prevent oxidative discoloration, life expectancy of up to 8 years;
3, metal insulation layer: on the PET film by vacuum evaporation or vacuum magnetron sputtering metal aluminum, silver, nickel and other nano-scale metal layer with high reflectivity to infrared, the service life of up to ten years;
4. Composite adhesive: composed of polyurethane adhesive with good weather resistance and high transparency;
5, UV absorption layer: composed of special UV absorber, can block 99% of ultraviolet light;
6. Transparent PET safety base layer: composed of high-strength, high-transparency PET polyester film, the purpose is to sandwich the metal layer to prevent metal oxidation and prolong the life of the metal film;
7. Installation adhesive: It is composed of acrylate adhesive with good weather resistance and high transparency to ensure that the film is not blistering;
8, high transparent PET release film: whether it is automotive window film or architectural glass film, after the film is more transparent, not scratched surface.
Safety explosion-proof membranes are also widely used, not only in automotive windows, but also in commercial buildings, hotels, hospitals, government agencies, banks, schools, museums, etc. After the safety explosion-proof membrane is attached, if the automobile glass is hit, the film can also prevent the broken glass from splashing and injuring people, and can largely protect the passengers in the vehicle from being damaged by the glass. Considering the different needs of different consumers and models, a total of three types of safety explosion-proof membranes are currently being developed. â€
1. Nano-explosion-proof membrane: Nano-particles have the characteristics of absorbing infrared light, and the heat insulation effect is excellent. At the same time, it has a high definition and is perfect for the user.
2. Magnetically controlled explosion-proof membrane: Using advanced magnetron sputtering technology, rare noble metal targets can be made into films with different visible light transmittance and reflectivity, so that the membrane has better solar control performance. The service life is up to 10 years.
3, aluminum-plated explosion-proof membrane: outstanding light-shielding, simple installation and strong decoration. Insulation and anti-ultraviolet effect, reasonable cost, suitable for mid-end consumers, can be made according to customer requirements for different transmittance and reflectivity.
Compared with the ordinary car film on the market, the advantages are very obvious:
1. More economical. Save 50% of the total cost of replacing heat-reflecting glass.
2, faster. It is shorter in operation time than replacing the old glass and replacing it with new glass.
3. More environmentally friendly. The replacement of glass will result in a large amount of broken glass construction waste, which will increase transportation and landfill costs. The film can use existing glass to enhance its insulation and safety performance; it can also prevent fading of indoor carpets, curtains, fabrics and paints. Effectively protect indoor furniture or office equipment such as computers to extend their service life.
4. More secure. The safety explosion-proof membrane has certain safety enhancement function, and has the chip adhesion performance of the clip (glue) layer glass. Its safety is better than that of tempered glass, and the safety of the professional safety film is stronger.
5. More healthy. The mounting adhesive in the glass film contains a UV (ultraviolet) absorber that blocks 98%-99% of UV light.
6, more light. In order to achieve the effect of heat insulation and UV protection, the general building will choose to replace the glass with hollow glass or hollow LOW-E glass, but this will directly lead to a doubling of the total weight of the glass, such as the explosion-proof membrane on ordinary glass. , will greatly improve the problem of glass load.
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