HS code-based commodity chain analysis

List of the contents of this article:

• 1,HS code-based commodity chain analysis How much does it cost to install car soundproofing cotton?
• 2, How much does a square meter of soundproof cotton cost? Does soundproof cotton play a big role?
• 3, How much is a square meter of soundproof cotton? Is soundproof cotton useful or not?

How much does it cost to install car soundproofing cotton?

As long as there is a large area of car soundproofing cotton on the inside of the door panel, it can efficiently absorb this wind noise. The modification shop disassembled the interior of various models and found that only cars with a market price of more than 200,000 yuan will have this kind of soundproofing cotton on the inner layer of the door panel.

This depends on the specific model and the brand using soundproofing materials. The shock absorber of the whole car of the ordinary car is made of soundproofing, which costs at least 3,000 yuan.

What kind of model is it? High school and low grade are available. It's about between one hundred and two thousand five.

Let's take a look at the price of soundproof cotton and see if the installation of soundproof cotton can have a corresponding effect.

Soundproof cotton is generally sold in a package. A pack can cost about three square meters, and the price ranges from 30 to 150 yuan.

You can go to the car modification shop to install it, and the cost is about 200 to 300 yuan. The above is for many Santana car enthusiasts to "Is the whole series of Santana equipped with engine compartment soundproofing cotton? If not, how much should be installed?" I hope the advice will be helpful to your car problem.

How much does a square meter of soundproof cotton cost? Does soundproof cotton play a big role?

1. The weight of the cotton board is 30km ore and 90km can be customized. The most commonly used are 35km endurance and 40km eggplant, and the price per flat is between 15 yuan and 20 yuan.

2. The first type is to stuff soundproof cotton into the early keel, which is more stable. The price is generally about 5,000 yuan, but it still needs to be determined according to the area and actual situation of your home. Another way is to install soundproof cotton in the middle of the bedroom wall, which will be relatively cheaper.

3. How much is a square meter of soundproof cotton? Glass fiber soundproof cotton is divided into two types: cotton roll and cotton board. The volume of cotton roll is small, and the price of Bofu per square meter is as low as a few yuan and only ten yuan; the capacity of cotton board is 30km or 90km eggplant can be customized. The most commonly used are 35km resistance and 40km eggplant. The price per square meter is between 15 yuan and 20 yuan.

4. The soundproof cotton is composed of multiple tiny voids, so that the external sound can enter through these holes.It enters the gap of the soundproof cotton, and once the external sound enters, it cannot come out, so in this process, it will gradually consume energy and play a sound insulation effect, so the sound insulation cotton is still useful.

How much is a square meter of soundproof cotton? Is soundproof cotton useful or not?

1. Soundproofing cotton is a material used for sound insulation and noise reduction, which is often used in construction and industrial fields. The price of soundproof cotton varies according to different brands, materials and thicknesses. Generally speaking, the price of soundproof cotton is between 20 yuan and 200 yuan per square meter. First of all, the brand of soundproof cotton is one of the key factors affecting the price.

2. Choose a most common specification of 300g soundproof cotton on the market, which is priced at about 50 yuan/square meter. The volume decreases significantly, and the measured noise value is up to 59 decibels and the lowest is 43 decibels.

3. Glass fiber soundproof cotton is divided into two types: cotton roll and cotton board. The volume of the cotton roll is small, and the price of Bofu per square meter is as low as a few yuan and only ten yuan. The weight of the cotton board is 30km or 90km eggplants can be customized. The most commonly used are 35km endurance and 40km eggplants, and the price per square meter is between 15 yuan and 20 yuan.

4. The cost of soundproofing and decoration varies depending on the region, material and process. Generally speaking, the price per square meter is between 200 yuan and 500 yuan. This price includes material costs, labor costs and other possible additional costs.

5. Soundproof cotton is generally sold in a package, about 30 square meters, and it can be about 3 square meters. Different specifications also have different prices. Ordinary ones are commonly used in general building materials, such as rock wool and glass wool, which cost about 10 yuan and 20 yuan per square meter respectively;The better one is environmentally friendly, such as polyester fiber cotton, which ranges from about 60 to 80 per square meter.

6. Using the good thermal insulation effect of sound insulation cotton, after pasting in the hood of the car, it can effectively avoid the high temperature of the engine directly to the hood, so as to protect the paint on the surface of the hood, and at the same time avoid the fog of the hood affecting the line of sight on rainy days.