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This new material technology that improves wind noise and lightweight has captured the global automotive market

 Last Update: 2022-08-21
 Source: Internet
 Author: User

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NVH refers to the noise, vibration, and harshness (Harshness) generated during driving.
These are technologies necessary for maintaining the quietness of the car and for sensual driving, and thus attracting attention

In order to reduce the wind noise of automobiles in the core elements of NVH, Hecheng R&A independently developed the variable-section extrusion technology for the side of the body, the EPDM•TPE integrated edge wrapping technology (Encapsulatuin), and the TSD (Taped Sealing Door) technology for the side of the door.
Overseas car brand companies are using it

Hwasung R&A's products have achieved two major effects of improving NVH performance and improving production efficiency at the same time, and have entered not only the Korean domestic market, but also the international automobile market

Variable section extrusion technology enhances the bondability of the section of the sealed weatherstrip

In addition, the EPDM•TPE integrated edging technology is a one-time molding and modular process for the small glass and rubber of the car

Since 2017, GM All New Cruze, Chevrolet Volando, Cadillac XT4, etc.
have adopted this technology, and it is currently planned to be applied to more internationally renowned brands of cars

TSD (Taped Sealing Door) technology is an engineering technology that has been used since 2017.
It is a technology that assembles the sealing strip with tape during the process of assembling the sealing strip on the vehicle body

In addition, in response to the trend of vehicle weight reduction and eco-friendly vehicles, we are actively developing materials to reduce the weight of parts

The foamed EPDM technology can reduce the specific gravity from 1.
27 to 0.
8 while meeting the performance of the car, reducing the weight of the finished body side by 20%
.
In addition, the foamed TPV can reduce the existing specific gravity from 0.
96 to 0.
67 through the high foaming unit control technology, which reduces the weight of the material by about 30%
.

In addition, the technical strength of foaming is based on the core technology of Hecheng Group, a subsidiary of Hecheng Group
.
Foamed EPDM and TPV materials are not only being used in Korean cars, but also in overseas famous car parts and environmentally friendly cars
.

Hwasung R&A is a global parts supplier that supplies automotive weather strips and fluid handling devices to major international OEMs.
Headquartered in Yangsan, South Korea, it is a subsidiary of Hwasung Group that focuses on the auto parts business
.
It operates 12 subsidiaries not only in Korea but also overseas, and has been working on developing overseas markets
.
It mainly produces rubber sealing products such as automobile weather strips, low-pressure hoses, high-pressure hoses, and air-conditioning hoses.
The sales share of each product in overseas markets is showing an upward trend
.

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