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Categories: News

Headlight Brightness Improvement Trilogy (Part 1)Improving nighttime driving safety

Whether the headlights are on or not is a problem that many car owners care about, especially for people like the author who use their eyes too much. If the headlights are not bright enough, it is difficult to see the road conditions when driving at night, and whether the headlights are bright enough has a great impact on driving safety. Therefore, this unit is specially planned to solve the problem of not bright enough headlights through three different headlight brightness improvement solutions, so that everyone can drive brightly at night.

First Episode - Thorough Cleaning

Remove the fogging yellow light shell

After almost all vehicles have been used for a few years, the headlight lamp housing will begin to turn yellow and foggy. If you do not wash the car frequently or drive on the road in an industrial area, the fogging will become more serious, which is not only ugly, but also affects the The brightness of the headlights, why does the lamp housing turn yellow? Many people think that it is caused by sunlight, but sunlight is a part of the factor. When the lamp factory makes the lamp housing, they will add anti-UV materials to the raw materials, so it is not so easy for acrylic to turn yellow.

Many people think that the yellowing of car lights is caused by ultraviolet rays in sunlight, but sunlight is part of the factor. When making lamp housings, lamp factories will add anti-UV materials to the raw materials, so acrylic should turn yellow. It is not so easy, the yellowing is caused by the grease attached to the lamp housing.

What is the real reason? The answer is that there is a layer of grease on the surface of the lamp housing. Why is there grease on the surface of the lamp housing? Some of the grease is formed from industrial dust, and some comes from the exhaust gas emitted by the vehicle in front, especially the large car. Therefore, if the parking or driving environment is mostly in an industrial area, the speed of the headlights attaching to the grease will be accelerated, and the lamp housing The speed of yellowing will also be faster. In fact, the paint and front windshield will also adhere to oil and grease. These greases cannot be washed off by ordinary car washes. Like kitchen grease, they cannot be washed with ordinary detergents. Layers of grease are more difficult to wash off, especially if they accumulate over time. However, the paint can be removed by cleaning wax. The front windshield also has a so-called degreasing film cleaning process to restore brightness. The answer is no.

Since almost all transparent lamp housings are made of acrylic material with low hardness, in order to strengthen the surface hardness of the lamp housing to resist external friction and reduce the generation of surface fine marks, the lamp factory will pass through the UV light + hardener method. , A hardened layer with almost no pores is formed on the surface of the lamp housing, so the new lights are smooth to the touch, and the old lights are much rougher to the touch. The yellowing of the shell will become faster and faster, so if you want to reduce the yellowing speed of the lamp shell, the first thing to do is to carefully choose the car wash place or method.

There seems to be cracks and fine marks inside the lamp housing. This is because the small lamp is too close to the lamp housing. Under the high temperature baking for a long time, the acrylic lamp housing will be aged. This situation cannot be restored by cleaning. Just get a new light cover.

For example, I often go to the gas station to wash the car with a machine. Because there is a lot of fine sand in the rotating bristles of the car washer, the current of brushing the lamp housing is rubbing the lamp housing at a high speed. If the number of times and time is too long, the lamp housing will be hardened. layer and leave scars on the surface, allowing crevices for grime to adhere to. In addition, if you are polishing the car paint, if you do not cover up the lamp housing, but directly let the high-speed rotary polishing machine touch the lamp housing, the hardened layer on the surface will also be thrown away. The lamp housing may be bright because the fine marks on it are filled with wax, but after a while when the wax is washed off, the lamp housing will start to fog off and turn yellow after a while; Contact with strong cleaning agents, such as special cleaners for removing insect carcasses, if not rinsed with water immediately, the hardened layer will be damaged, and the lamp housing will be misted and turned yellow.

In short, the main reason for the yellowing and atomization of the lamp housing is caused by grease + fine marks. The more fine marks, the more grease, and the yellower the lamp housing. Protecting the lamp housing can slow down the rate of yellowing.

The yellowed lamp housing is the same as the kitchen grease that cannot be washed away with dishwashing liquid. You can use a kitchen-specific detergent to spray it on a paper towel, and then wipe the lamp housing with a paper towel to wipe off the grease on the surface. Do not spray kitchen cleaner directly on the lamp housing and wipe it hard, it will damage the lamp housing.

Degrease with kitchen cleaner

Add acrylic reducing agent

If the lamp housing really turns yellow, how to clean the surface grease? Regarding this issue, I have seen someone teach you how to use toothpaste or rough wax to grind the surface of the lamp housing to remove the yellowing of the surface of the lamp housing. Although this method can achieve a bright effect in a short period of time, it cannot be maintained for a long time, and it will wear off. The hardened layer also accelerates the aging rate of the lamp envelope. According to Yan Zhongjun, the head of the Regal headlights interviewed, the degree of fogging and yellowing of the lamp housing will be divided into several types, if it is only mild symptoms such as the yellowing of the lamp housing. As long as you use kitchen cleaner + kitchen paper towel, spray the cleaner on the paper towel, and then gently wipe the lamp housing, you can remove the grease on the surface of the lamp housing. The process may be repeated several times and use several paper towels, but you will find that The lamp shell gradually becomes not yellow, and finally wipe the lamp shell with a clean paper towel. Do not spray kitchen cleaner directly on the lamp housing, and then leave it on the lamp housing for a long time, and do not try to wipe it quickly, which will damage the lamp housing.

During the wiping process, you will find yellow grease stains on the paper towel, and the lamp housing will gradually turn white. The process needs to be repeated several times, and you must be patient to wipe slowly.

After removing the grease, you will find that the lamp shell seems foggy. At this time, use the so-called acrylic reducing agent to wipe the lamp shell to make the lamp shell more translucent. If the grease is removed, at least it can be Restores more than 80% brightness. However, if the lamp shell has come into contact with a strong potion, the surface hardened layer will peel off, or the lamp shell is too close to the small lamp, and the interior has cracked under high temperature baking, or if the lamp shell is almost aged for more than 10 years old car If the above method is used, the brightness of the lamp housing cannot be saved, and the lamp can only be replaced with a new one.

After removing the grease, you will find that the lamp shell seems foggy. At this time, use the so-called acrylic reducing agent to wipe the lamp shell to make the lamp shell more translucent. If the grease is removed, at least it can be Restores more than 80% brightness.

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Dreamer is what I am, but unlike many, I struggle to make my dreams come true. I own, seo, admin and site editor. I am a father, married, Christian, Northeastern/Brazil and Libran. I love cars <3

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