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Zhuopu Anti corrosion Technology will briefly introduce several types of anti-corrosion coatings for you

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Zhuopu Anti corrosion Technology will briefly introduce several types of anti-corrosion coatings for you

date:[2011-10-18]     pk_hits:

(1) Currently, ship coatings and container coatings are mainly used for the protection of platforms and ancillary facilities in offshore oil development, with an annual paint consumption of 3500 tons; Shipbuilding coatings mainly include high-performance and special coatings for ship repair. With the adjustment of institutions and the expansion of military civilian selection, the general products of foreign companies have begun to penetrate the ship coating market. The total capacity of the military ship coating market is about 4500 tons/year; In recent years, the number of nearshore fishing vessels in China has increased sharply, with 350000 vessels weighing less than 300 tons. Based on a paint usage of 60kg per vessel, the total usage is 21000 tons, and with 30000 tons of small wooden vessels, the total usage will reach 60000 tons.

(2) In recent years, heavy-duty anti-corrosion coatings for chemical industry have gradually moved towards the matching of epoxy primer and ethylene spray coating in developed countries for pipeline coatings. Natural gas pipelines and oil pipelines have different requirements. After desulfurization treatment, the gas corrosiveness is not strong, but high requirements are placed on the drag reduction performance of the inner wall. Currently, there is a significant gap between domestic products and imported products. The outer wall coating of pipelines is mainly epoxy asphalt or fiberglass reinforced asphalt, which is cheap and can be produced by domestic manufacturers.

The outer wall of oil tanks can usually be coated with epoxy primer, acrylic acid, chlorinated polyolefin, and polyurethane topcoat. In recent years, we have been promoting solar heat reflective topcoats, which can cool down by 5-8C in summer while ensuring quality.

(3) Railway, highway bridges, and steel structure anti-corrosion coatings. Although there are many concrete structures in highway bridges, the mileage of steel bridges is no less than that of railway bridges. On average, the amount of paint used for each kilometer of bridge coating is 60 tons. If it is repaired within 10 years, more than 30000 tons of paint will be consumed annually. With the increase of environmental protection efforts, the paint used for railway bridges has gradually transitioned from mostly using red lead primer in the past to high-performance zinc rich primer, especially water-based zinc silicate with epoxy intermediate layer and polyurethane topcoat based on high modulus potassium silicate IC531, or other varieties based on high-performance epoxy.

(4) Although the market for urban infrastructure coatings has just started, its development potential is enormous. There are several situations:

1: The development of urban construction in our country is very fast, and long-term anti-corrosion protection is required for ring roads, overpasses, elevated bridges, and river crossing bridges;

2: The demand for high-performance anti-corrosion coatings is very urgent for urban gas pipelines, gas storage tanks, and water pipelines.

3: With the increasing awareness of environmental protection, large-scale environmental protection projects have been launched in large and medium-sized cities.

4: The demand for high-performance anti-corrosion coatings required for sewage treatment and sewage pipeline facilities is increasing; The anti-corrosion coating market in China has also shown a promising situation, with the market size ranking second only to architectural coatings. With the rapid and rapid development of China's economy and the implementation and implementation of the government's economic stimulus plan, there has been extraordinary growth in many fields such as construction, transportation, petrochemicals, and hydropower, which has driven the rapid growth of demand for related supporting products.

In the 1990s, as a labor-intensive industry, the container industry shifted from Japan to South Korea and then to China. Currently, China has a market share of over 90%; After Shenzhen Haihong, container coating production bases mainly consisting of COSCO Kansai, Zhongtu Chemical, and KCC have met the demand of over 2 million containers per year; At the same time, the world's shipbuilding and shipbuilding industry has completed its transfer to East Asia, and the corresponding production of ship coatings has begun to shift to East Asia, especially China. In 2004, Japan, South Korea, and China alone accounted for 84% of the global shipbuilding market share.

According to predictions, the demand for marine coatings in China, which is mainly focused on ship coatings, is increasing at a rate of 30% per year.

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