Vigorously supporting strategic emerging industries is one of the highlights of the “Government Work Report.” Catching an express train in strategic emerging industries will help the petrochemical industry cultivate new economic growth points. During the two sessions, members of the oil and chemical industry expressed their views. It is generally believed that if the industry wants to successfully connect with strategic emerging industries, it must first pass the technical barrier before it will usher in the golden period of development.

Qian Feng, a member of the National Committee of the Chinese People's Political Consultative Conference and vice president of East China University of Science and Technology, believes that the chemical industry that can successfully connect with strategic emerging industries is a sunrise industry. “The mass of chemical products currently in the front end of the industrial chain is very large, and some of the more functional fine chemical products are lacking. These products are all related to new materials and have high added value. But now the technology is not mature enough and we should increase research and development. Strength." Qian Feng said.

Wang Jiming, a member of the Chinese People's Political Consultative Conference and academician of the Chinese Academy of Engineering, told reporters that with the development of China's petrochemical and energy industries, the requirements for the equipment manufacturing industry are constantly increasing. Currently, some high-tech compressors such as large compressors, polyolefin extrusion granulators, Key equipment such as coal-water slurry feed pumps, large-scale flue gas turbines, and petrochemical special valves all rely on imports. Wang Jiming believes that under the policy environment of the country's vigorous development of high-end equipment manufacturing industry, the petrochemical equipment industry will usher in a golden period of development as long as it strengthens China's ability for independent innovation and accelerates the realization of localization.

The photovoltaic industry is also a huge cake. “Before the photovoltaic industry was at the two ends, but now the localization of polycrystalline silicon, the core raw material, has reached more than 50%, and it will soon be self-sufficient. What is still worse is the market.” Liu Hanyuan, chairman of Tongwei Co., Ltd., said. Once the domestic photovoltaic market starts, the related chemical products will also face huge market demand. However, PV-neutral auxiliary materials such as ethylene-vinyl acetate copolymer (EVA) rubber, backplanes, and wire cutting fluids, etc., are currently not realized in localization. Zhu Jianmin, member of the National Committee of the Chinese People's Political Consultative Conference and Chairman of Liaoning Aoke Chemical Co., Ltd., said: “Ock is actively engaging in the new energy industry and developing solar polysilicon cutting fluid. Although it is temporarily blocked, we will stick to this direction.”

Truck Brake Pads

Asbestos was added as an common ingredient to Brake Pads post-WWI, as car speeds began to increase, because research showed that its properties allowed it to absorb the heat (which can reach 500 °F) while still providing the friction necessary to stop a vehicle. However, as the serious health-related hazards of asbestos eventually started to become apparent, other materials had to be found. Asbestos brake pads have largely been replaced by non-asbestos organic (NAO) materials in first world countries. Today, brake pad materials are classified into one of four principal categories, as follows:

Non-metallic materials - these are made from a combination of various synthetic substances bonded into a composite, principally in the form of cellulose, aramid, PAN, and sintered glass. They are gentle on rotors, but produce a fair amount of dust, thus having a short service life.

Semi-metallic materials - synthetics mixed with varying proportions of flaked metals. These are harder than non-metallic pads, more fade-resistant and longer lasting, but at the cost of increased wear to the rotor/drum which then must be replaced sooner. They also require more actuating force than non-metallic pads in order to generate braking torque.

Fully metallic materials - these pads are used only in racing vehicles, and are composed of sintered steel without any synthetic additives. They are very long-lasting, but require more force to slow a vehicle while wearing off the rotors faster. They also tend to be very loud.

Ceramic materials - Composed of clay and porcelain bonded to copper flakes and filaments, these are a good compromise between the durability of the metal pads, grip and fade resistance of the synthetic variety. Their principal drawback, however, is that unlike the previous three types, despite the presence of the copper (which has a high thermal conductivity), ceramic pads generally do not dissipate heat well, which can eventually cause the pads or other components of the braking system to warp.However, because the ceramic materials causes the braking sound to be elevated beyond that of human hearing, they are exceptionally quiet.

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