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[YesAuto in-depth experience] We know that the main function of the paint on the car surface is to prevent rust, besides being beautiful, we often hear car owners complain about the thin paint of their car in daily chats, and there are often car owners complaining about the car in previous car owner interviews. The paint is thin, and a large area of primer is severely damaged by a slight scratch. There are often car owners who generally say that a certain car series has a thick paint and a certain car series has a thin paint. After a month of planning, we will start this topic from today. The paint film thickness of the mainstream models of the car will be tested. Whether it is a luxury car of 1 million or a cheap car of 30,000, it will be the object of our test.


Testing Equipment:

We use a coating thickness gauge with model DT-156 and brand CEM. This instrument can detect magnetic metals (iron/steel, etc.) and non-magnetic metals (aluminum alloys, etc.), and detect coatings on different materials. It will automatically switch when layering. As for the instrument, we will not introduce too much. For the specific parameters, please refer to the actual photos taken in the manual.

Note: The value we measured is the overall film thickness of the paint, that is, all the coatings above the steel plate, in micrometers.

Detection method:

We select different parts of the vehicle (such as: door, engine compartment cover, etc.) for sampling, and each part has multiple sampling points (middle, left, and right), and each sampling point uses multiple sampling to average. To minimize the measurement error.

How thick is the car paint to be reasonable?

    According to the national standard “QC T 484-1999 Paint Surface Quality Standard”, we limit the minimum paint surface thickness of vehicles. What is the minimum limit? That is to say, leaving aside the paint quality, the paint surface of this car cannot be less than how many microns to qualify.

According to the TQ2 project in this standard, we divide the minimum paint surface into two reference standards:

First: It is the standard for the cheapest pure entry-level economical minicar (the bare car price is less than 50,000). The thinnest paint surface should not be less than 90 microns. We require the paint surface thickness of this grade of car It can be said to be relatively low. Less than 90 microns is regarded as cutting corners.

Second: The standard is the standard for any car model higher than 50,000 yuan. This standard will be improved: the minimum should not be less than 120 microns (hard index). Less than 120 microns is regarded as cutting corners.

  

Related terms and calculation methods below

Measurement method of average value of each point:

For example, if we calculate the average thickness of the center point of the engine compartment cover, we sample the center point 3 times and take the average value.

Measurement method of component average value:

For example, when we calculate the average thickness of the engine compartment cover, the average thickness of the entire engine compartment cover is calculated by using the average of the three halves of each of the five points of the engine compartment cover (center, front, rear, left, and there) .

Special Note:

1. After the measurement of each vehicle, the instrument will be adjusted to zero to ensure accuracy.

2. In order to ensure the reliability of the data, all the vehicles we selected for inspection are commercial vehicles, and they are all vehicles that have not been processed in the warehouse, so it is inevitable that there will be a lot of dust and dirt, and the vehicle's visual experience is not very good, please Forgive me, but you don’t have to worry about the accuracy of the data. We cleaned the sampling points during sampling to eliminate the influence of dirt on the data.

3. The individual differences of each vehicle are different, and the error of the instrument does exist, so our data is only for the tested commercial vehicle.

4. Whether the car paint is firm or not is not only determined by the thickness, but also related to the hardness, ductility and abrasion resistance, but the thickness is also an indicator.

Skoda Family

Jingrui: The overall paint thickness is relatively ideal

Jingrui paint surface thickness average distribution 1
Average value of each point of engine compartment cover Average value of each point of front fender
middle left right before Rear middle before Rear
167 152.3 152 175.7 177.3 155 154.3 116.3
Overall average of engine compartment cover: 164.9 The overall average of the front fender: 141.9
Jingrui paint surface thickness average distribution 2
Average value of each point at the front door Average value of each point of the backdoor
middle on under before Rear middle on under before Rear
150.3 146 113.7 135.3 144.3 152.3 150.3 116 169.7 142.7
The overall average of the front door: 137.9 Overall average backdoor: 146.2
Jingrui paint surface thickness average distribution 3
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
131 161 147.7 150.7 124.7 129.7 161 147.7 150.7 124.7
Overall roof average: 143 Overall average of the trunk: 142.7

The overall paint thickness of the Jingrui car body with a price of 78,900 and above is ideal. All sampling points are above 120 microns. After multiple sampling, the total film thickness is more than 1 micron, which is the standard of 120 microns, and the average value of the front engine compartment cover. It has reached 164.9 microns. From the overall numerical point of view, Jingrui is relatively mature and honest in painting process.

Octavia: The door thickness is slightly lower, but all meet the standards

The average distribution of the thickness of the Mingrui paint surface
Average value of each point of engine compartment cover Average value of each point of front fender
middle left right before Rear middle before Rear
169.7 121 128.7 165 166 143.3 153.3 117
Overall average of engine compartment cover: 150.1 The overall average of the front fender: 138.2
The distribution of the average thickness of the lacquer surface
Average value of each point at the front door Average value of each point of the backdoor
middle on under before Rear middle on under before Rear
131.7 123.3 103.3 131.3 135.7 132.3 125.7 109.7 134.3 141.3
Overall average of the front door: 125.1 Overall average of backdoors: 128.7
The distribution of the average thickness of the paint surface
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
137.7 146.3 149.7 140.7 144.7 142.7 140 137.3 149.3 104.3
Overall roof average: 143.8 Overall average of the trunk: 134.7

The paint thickness of the Skoda Octavia, which starts at RMB 12.34 million, also meets the requirements. The engine compartment cover, front fender, roof and trunk are all over 10 microns above the standard, while the thickness of the door is relatively low, around 120 microns. From the point of view of the numerical distribution of sampling points, there is little difference in the numerical value of the same points on the same part (for example, the middle of the front door and the middle of the back door are not much different), so it can be seen that the factory has a plan for the paint thickness of each part.

Haorui: The overall thickness is ideal

Haorui paint surface thickness average distribution 1
Average value of each point of engine compartment cover Average value of each point of front fender
middle left right before Rear middle before Rear
144 153.7 160.7 136 132.3 130.7 133 109.7
Overall average of engine compartment cover: 145.3 The overall average of the front fender: 124.4
Haorui paint surface thickness average distribution 2
Average value of each point at the front door Average value of each point of the backdoor
middle on under before Rear middle on under before Rear
176.7 160.7 114.7 174.7 140.3 147.3 141 119.3 150.7 146.7
Overall average of the front door: 153.4 Overall average of backdoors: 141
Haorui paint surface thickness average distribution 3 Haorui
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
122.3 142.7 132 142 163 152.7 153.3 144.7 142.3 150.7
Overall average of the roof: 140.4 Overall average of the trunk: 148.7

The overall paint thickness of Haorui, which starts at 171,900 yuan, is relatively ideal. The average value of the components can basically reach more than 140 microns, which exceeds the national standard of 120 microns by about 20 microns, but the total thickness of the paint surface of the front fender is slightly thin.

Most Ford models

Carnival: The paint is thin, far from the standard

Average value of each point at the front door Average value of each point of the backdoor middle on under before Rear middle on under before Rear 96 112 85.7 92.7 84.3 89.7 99 77 96.7 114.7 Overall average of the front door: 94.1 Overall average backdoor: 95.5
Carnival paint surface thickness average distribution 3
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
91.3 106.7 106.7 111 117.7 93.7 96 93.3 118.3 93.3
Overall average of the roof: 106.7 Overall average backdoor: 99

The carnival price starting at 79,900 is not cheap, but the paint thickness is not ideal. No point in the whole car exceeds 120 microns, and half of the parts of the car have a total paint thickness of less than 100 microns. This is inconsistent with the price, and the price of the carnival is not low.

Fox Classic: Unexpected thickness

Average distribution of paint thickness of Fox Classic Edition 1
Average value of each point of engine compartment cover Average value of each point of front fender
middle left right before Rear middle before Rear
162 163. 121.3 121.2 123 135.2 143.7 104.7
Overall average of engine compartment cover: 138.2 The overall average of the front fender: 127.9
Average distribution of paint thickness of Fox Classic Edition 2
Average value of each point at the front door Average value of each point of the backdoor
middle on under before Rear middle on under before Rear
110 107.7 102.3 106.3 108 119.7 106.7 106.3 111 123.3
The overall average of the front door: 106.9 Overall average backdoor: 113.3
Average distribution of paint thickness of Fox Classic Edition 3
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
94.7 94.7 95.7 124.7 121.3 104.3 117.3 121.3 108 93.3
Overall average of the roof: 106.2 Overall average of the trunk: 108.9

After the launch of the new Fox, the old Fox retains two models as classic models for sale. The entry price of the Fox Classic is 99,800 yuan. We conducted a paint thickness test on the classic version of Fox. The overall performance is average. The first few hatch covers and front fenders have reached the national standard of 120 microns, and there is a certain gap between the rest of the components and the standard, which is beyond our expectation. .

Fox: The overall thickness is ideal

Distribution of average thickness of New Focus paint surface 1
Average value of each point of engine compartment cover Average value of each point of front fender
middle left right before Rear middle before Rear
124.6 128 138 128 124 151 129.7 126.7
Overall average of engine compartment cover: 128.5 The overall average of the front fender: 135.8
Distribution of average thickness of New Focus paint surface 2
Average value of each point at the front door Average value of each point of the backdoor
middle on under before Rear middle on under before Rear
133.7 174.3 110 115 141.7 128 144.7 105 125.7 141
Overall average of the front door: 134.9 Overall average backdoor: 128.9
Distribution of average thickness of New Focus paint surface 3
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
101 124 129 135.3 141.7 108.7 94.3 94.7 114.3 101.3
Overall roof average: 126.2 Overall average of the trunk: 102.7

At the same time, we tested the new Fox with a price starting from 119,900. From a numerical point of view, the overall level is better than the classic model. The thickness is basically above 120 microns. Only the paint film thickness of the trunk is below 120 microns.

Mondeo-winning: the thickness of the paint film is very large

Mondeo-Zhisheng paint thickness average distribution 1
Average value of each point of engine compartment cover Average value of each point of front fender
middle left right before Rear middle before Rear
183.7 209.7 196.3 162.3 164 186 184.3 152
Overall average of engine compartment cover: 183.2 The overall average of the front fender: 174.1
Mondeo-Zhisheng paint thickness average distribution 2
Average value of each point at the front door Average value of each point of the backdoor
middle on under before Rear middle on under before Rear
174.7 186.3 134.7 183 173.7 180 206.6 129 194.7 178.3
Overall average of the front door: 170.4 Overall average backdoor: 177.7
Mondeo-Zhisheng paint thickness average distribution 3
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
146 148.7 148.3 152 208 166 191 191.3 137.7 179
Overall average of the roof: 160.6 Overall average of the trunk: 173

The film thickness of Mondeo-Zhisheng has a very good performance, which is much stronger than that of Fox. The average thickness of the paint surface of the whole car is more than 170 microns, which is very thick. Many of the components have sampling points above 180 microns, and even 200-micron points. The overall level is very optimistic.

Sharp boundary: the uniform thickness of the paint is reasonable

Sharp boundary paint surface thickness average distribution 1
Average value of each point of engine compartment cover Average value of each point of front fender
middle left right before Rear middle before Rear
151 154.3 161 135.3 129.3 161.3 127.7 150.7
Overall average of engine compartment cover: 146.2 The overall average of the front fender: 146.6
Sharp boundary paint surface thickness average distribution 2
Average value of each point at the front door Average value of each point of the backdoor
middle on under before Rear middle on under before Rear
152.7 148.7 133.3 138.7 149 138.7 142.7 124 166.3 128.3
The overall average of the front door: 144.5 Overall average backdoor: 140
Sharp boundary paint surface thickness average distribution 3
Average value of each point on the roof Average value of each point in the trunk
middle left right before Rear middle left right before Rear
124 134.3 117 161.7 134.7
Panoramic skylight Overall average of the trunk: 134.3

The paint film thickness of the imported models priced at 396,800 yuan is all above 120 microns. The painting process of the whole car is relatively uniform, and can basically be constant at about 140 microns. Because the sharp world uses a panoramic sunroof, we have not tested the thickness of the roof.

to sum up:

Today, we tested the paint film thickness of 8 cars from two brands, Ford and Skoda. Among them, the Carnival and Focus Classic versions were a bit unexpected. The paint thickness of the two cars was not very ideal. The paint thickness of the Carnival was even less than 100 microns. , There is a big gap with the national standard of 120 microns. The same goes for the Fox Classic Edition, which is far from the standard. The thickness of Mondeo-Zhisheng is very good, even more than 170 microns, which is also something we did not expect. The overall paint film thickness of another brand, Skoda, is relatively ideal, all of which can reach more than 120 microns. Jingrui, which is also a small car, does not have a thin film.


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