What should I pay attention to when baking film? What tips do you need to pay attention to when baki

1. How many ways are there to bake film?

There are currently two types of baking methods: wet roast and dry roast.

Wet roasting is more commonly used these days. Spray a film solution on the glass, cover the glass film on the curved glass, and heat it with a baking gun to shorten the remaining film or finger protrusions.

The dry-baking film method is generally regarded as a high-grade film method, which is suitable for automobile glass with a large arc surface. Instead of the film solution, baby powder is sprinkled between the film and the glass to avoid finger-like protrusions caused by wet baking, and the film floats on the baby powder to prevent the non-slip layer of the film from sticking to the glass surface. Heat forming the entire area of the membrane, not just the finger protrusions.

Dry baking skills: First of all, the surface of the glass should be cleaned to ensure that it is completely dry. Dusting baby powder on the glass has a different way to do this homework:

One is to hold the baby powder in your hand and blow it onto the whole glass. Another option is to place baby powder in a powder brush and gently pat it over the entire glass surface.

Finally, wipe the glass with a damp paper towel: in an "H" shape at both ends and in the center. Before the water evaporates, the film is applied to the glass with the inner lining symmetrical. Smooth the film to the "H" shape and scrape it down through the centerline, then start baking.

2. What should I pay attention to in the baking process?

1) The glass film has a "texture" and is directional. During the construction process, the glass film has a slight stretch, and stress occurs in the natural direction, and stress relaxation occurs when the baking film is heated, that is, the film is shortened along the direction of being stretched. We have shortened the film to shape the glass.

The key is to remember that the "finger bump" can be shortened as long as it is perpendicular to the natural direction. In most cases, when the rear windshield is attached, the orientation of the glass film on the glass is the same as the natural direction, so that all shortening occurs at the top and bottom ends of the glass (top and bottom).

2) Adjust the temperature of the open grill from medium to high, 8 10 inches off the film (the interval varies according to the temperature of the grill), and move the grill horizontally along the finger-like protrusions until it shows markings and folds, and smooth the membrane with your hands. Keeping in mind that the "shortening" of the membrane is limited and cannot always be baked in one area, it is easy to apply the membrane by hand for two main reasons:

It is not easy to wrinkle the membrane by hand and is easy to control and separate the finger-like protrusions;

There is a direct feeling of the change of the diaphragm during the baking process.

3) The way the grill gun moves differently during dry and wet roasting, bake the film in a quarter of the direction of the membrane, and move in a rapid circular motion about 5 8 inches of the membrane. Heating from the center outwards ensures the circular motion of the stack as it moves. Do not stop the roast gun from moving one after another.

Keep in mind that there is no water underneath the membrane, which reacts faster than when it is wet roasted.

1. The glass film has a "texture" and has directionality. During the production process, the glass film is slightly stretched, which creates stress in the natural direction, and stress relaxation occurs when the baking film is heated, which means that the film shrinks in the direction of being stretched. We are shaped to the shape of the glass by shrinking the membrane.

The key is to remember that only "finger bumps" perpendicular to their natural orientation can contract. In most cases, when the rear windshield is attached, the position of the glass film on the glass is the same as the natural direction, so that all shrinkage occurs on the top and bottom sides of the glass (top and bottom).

2. Turn on the grill gun to adjust the temperature from medium to high, 8 10 inches away from the film (the distance varies according to the temperature of the grill), move the grill horizontally along the finger-shaped bulge until the pattern folds appear, and smooth the film with your hands. Keeping in mind that the "shrinkage" of the film is limited and cannot always be baked in one area, it is easy to apply the film by hand for two main reasons:

It is not easy to wrinkle the membrane by hand and is easy to control and separate the finger-like protrusions;

Direct perception of changes in the diaphragm during the baking process;

3 The method of movement of the baking gun is different when dry roasting and wet roasting, bake the film in a quarter position of the membrane, to make a rapid circular motion, in the part of about 5 8 inches of the membrane. Heat outwards from the center, ensuring overlapping circular motion as it moves. Do not pause the roast gun for continuous motion.

Keep in mind that there is no water underneath the membrane and reacts faster than when it is wet roasted.

Hello, what you need to pay attention to is the temperature of the baking gun, this thing must be practiced diligently, and the work will be natural, so it is not something that can be learned overnight.

1. Cloudy days are more suitable for filming.

In fact, cloudy days are a good time to apply the film, the air humidity on cloudy days is larger, and the suspended solids in the air are also significantly reduced, which can avoid impurities between the film and the glass and affect the appearance.

2. Choose a regular car service provider.

The film is most afraid of dust, once the film and glass are stuck with sand or fine dust in the middle of the film, it will affect the quality and effect of the entire film. It is difficult to film the front and rear windshields, so don't be greedy for cheap, try to choose a large-scale, reputable car service provider.

Generally, junior technicians can only apply film to the side windows, while only intermediate and senior technicians can apply film to the front windshield with a large curvature.

Before the film, it is necessary to check whether the installation of the window glass is intact and the integrity of the car glass to ensure that the subsequent film work can operate normally.

Be sure to cover the necessary parts of the car before applying the film to prevent liquid from penetrating. Sprayed cleaning fluids and lubricating fluids can affect trim parts such as automotive electronics and interior seats.

Wash the interior and exterior surfaces of the windows before applying the film (focusing on the interior surfaces and glass sealant areas). This is mainly to eliminate the dirt or other object construction quality problems between the heat insulation film and the window glass after the film, and ensure that the film and glass can be perfectly combined.

The membrane is pre-cut. Use a ruler to measure the size of the front and rear windshields, and cut the film according to the measured size. (The professional film mechanism is through the computer, which is tailored according to the model).

Spray the installation fluid. Dust spots can be avoided and corrosion at the edges can be reduced, resulting in the desired viscosity and better application results.

Dry roasting, wet roasting shaping. The film is dry-roasted first so that the film can be fully pre-shrunk. In order to further improve the adhesion of the heat insulation film, it is also necessary to wet bake and shape the heat insulation film.

Extrusion of the installation fluid: In the process of using the wiper to remove the installation fluid, try to scrape the installation fluid between the heat insulation film and the window glass, which can reduce the drying time of the heat insulation film and obtain a better bonding effect, overall performance and visual effect.

Check after sticking. "Three looks and one attention": look at the entire heat insulation film to see if there is any dust and bubbles, see whether the corners are firmly glued, and sit in the car to see if there are any places that affect the line of sight (especially the front windshield and side windshield). After the film, it is recommended not to raise or lower the glass arbitrarily within 48 hours.

The most important thing to pay attention to when applying the film is the use of hair dryer, if you blow this place for a long time, it will cause the glass to crack due to uneven heating. Therefore, it is necessary to find those professional authorized stores for the film, so that the quality of the film will be the best and the danger of glass cracking can be avoided.

Also, the car film is best in rainy weather, and when it is pasted on rainy days, there is very little dust in the air, which has certain benefits for aesthetics.

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Notes:

1. When the baking film is heated, stress relaxation occurs, that is to say, the film shrinks along the direction of being stretched.

2. Adjust the temperature of the baking gun from medium to high, leave the film 8 10 inches, move the baking gun horizontally along the finger-like protrusion until the pattern folds appear, and smooth the film with your hands.

3 The method of movement of the baking gun is different when dry roasting and wet roasting, bake the film in a quarter position of the membrane, to make a rapid circular motion, in the part of about 5 8 inches of the membrane. Heat outwards from the center, ensuring overlapping circular motion as it moves. Do not pause the roast gun for continuous motion.

The wet baking method has many disadvantages, such as long installation time, large arc is not easy to shape, scratches and folds are easy to occur when squeezing water, and glass is prone to explosion accidents. How can glass burst? Because the curvature of the windshield of some models is relatively large, there will be water under the film with the wet baking method, and the water is heat-absorbing when the film is heated, and the film at the arc will arch up one by one, and the arch and the flat place are heated unevenly when the hot gun is baked, and too much heat will cause the glass to break.

The dry baking method is an original and latest baking film method, that is, the anhydrous baking film shaping method. In this way, the shaped window film can be more precisely adapted to the curvature of the glass. The principle is to use air instead of the water between the window film and the glass, and use fossil powder to ensure that the anti-scratch layer "SR" of the window film is not adsorbed on the glass due to static electricity, so that the film can slide fully and freely on the glass.

The dry roasting method has its unique advantages: the speed is fast, it generally takes more than ten minutes to use the wet roasting method, while the dry roasting method can be baked in about 2-3 minutes; It is safer and more conformable, the shrinkage of the film is relatively uniform, it can bake the area with a large arc, and it is not easy to bake the glass; It is more convenient to install and paste, and bubbles often appear at the heating wire in wet baking, which can be completely avoided by dry baking.

With the rapid popularity of private cars in China, the awareness of car owners is also increasing, a key link.

1. Spray dust reduction and cleaning treatment: open the high-pressure spray device in the construction room, after the spray head is fully sprayed, the air becomes moist, and the dust basically falls on the ground, which greatly improves the cleanliness of the construction room and effectively improves the quality of the film.

Critical link. 2. Heat setting treatment: according to the characteristics of different glass shapes of different models, use a scraper with a hot air gun to heat and extrude a large area on the surface of the diaphragm to form a contraction, and then cooperate with different methods such as wet baking to scrape and set the shape, and extrude it flat.

Critical link. 3. Professional installation of car film: use professional imported installation liquid to spray evenly, fully squeeze the water with white Teflon squeezing board and blue squeezing shovel, and then use professional absorbent paper to absorb the installation liquid on the edge of the diaphragm, and install and cut the car film, and finally carry out quality inspection according to the standard of installation acceptance.

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Wet and dry combination styling method:

1. The combination of dry and wet setting method is a method used when it is impossible to determine whether the consistency of the film and the curvature of the glass is consistent after dry baking;

2. After the dry baking is completed, the film is lifted, the installation liquid is evenly sprayed on the glass, and then the film is put down, and the water is squeezed out with a plastic scraper;

3. When encountering residual bubbles, bake them flat with the method of wet roasting.

Stretch Styling Method:

1. Clean the glass with a scraper first, and dry the residual moisture on the surface of the glass with a heat gun;

2. Use a wet paper towel to draw a wet line about 3 cm wide in the middle of the glass (used to fix the film);

3. Spread the roughly cut film on the glass surface, leaving 5-8cm more up and down;

4. Cut a few small holes on the upper and lower sides of the film with bubbles, when baking the film, lift the film by hand, at an angle of about 15 degrees with the glass, pull it down hard, rotate the baking gun evenly, from top to bottom, and observe the degree of film contraction with your eyes;

5. Pay attention to the temperature of the baking gun and the degree of heating of the film when baking the film, adjust the temperature with distance or speed, and make the bubbles evenly heated when baking the bubbles;

6. After baking, cut off the remaining materials, the edge can be properly baked, and the baking gun can be left for 1-2 seconds to shrink the edge of the film;

7. You can also spray water and wet bake it, if there are residual bubbles, bake it smoothly according to the wet roasting method.

The operation method of the internal irrigation setting method:

1. Clean the glass first, and evenly spray the installation liquid on the outer surface of the glass;

2. Place the roughly tailored film on the glass and position it with a plastic scraper. Divide the bubbles evenly;

3. The first third of the bubbles is the bubble caused by the membrane, so do not treat it, bake it lightly at one third and make a knot;

4. On the mouth of the bubble, pour the bubble between the film and the glass with a heat gun, when the edge of the bubble is attached to the glass (you can press and hold both sides of the bubble with your hand), quickly heat the bubble with a heat gun, and quickly scrape the bubble flat with a plastic scraper.

The main thing is to heat evenly, don't bake a point, the glass will explode after a long time.

Two or three months is enough time just to let you do it, thank you.