Dacromet has a wide range of applications. It can handle not only steel, iron, aluminum and their alloys, but also sintered metals and special surface treatments. It involves many industries, such as:
1. Automobile and motorcycle industry
Dacromet technology originated from the automobile industry. World-famous automobile manufacturing companies, such as General Motors, Ford, Chrysler, Renault of France, Volkswagen of Germany, Fiat of Italy, Toyota of Japan and Mitsubishi, all require the use of Dacromet technology in the surface treatment of automobile parts. Auto parts have high stability, heat resistance, moisture resistance and corrosion resistance after dacromet treatment. With China's entry into wto, the pace of China's automobile industry is getting faster and faster, and the application prospect of Dacromet technology in domestic automobile industry is getting broader and broader.
2. Electrical communication industry
Parts, components and accessories of high-end products such as household appliances, electronic products and communication equipment need to be placed outdoors for a long time, so the product quality is required to be higher. In the past, the quality of zinc electroplating method was low and could not meet the requirements. If dacromet technology is adopted, the anticorrosion performance of products will be greatly improved, the service life and quality of products will also be greatly improved, the environment will be beautified and the market will be expanded. Therefore, more and more domestic enterprises begin to adopt this technology. Such as Guangzhou Midea air conditioner, Huang Ming solar water heater, Unicom communication tower, ZTE outdoor cabinet and so on.
3. Transportation facilities industry
Subway and tunnel are underground, with dark and humid environment and poor ventilation; Bridges, viaducts and port machinery are prone to rust after long-term exposure to the sun and rain, and will soon rust, greatly reducing the safety factor. If the key structural parts and fasteners are treated by Dacromet technology, it is not only safe and reliable, but also beautiful and lasting. At present, domestic subway engineering and port machinery have begun to use Dacromet treatment technology.
4. Transmission and distribution power supply
High-voltage power transmission and distribution, urban power supply, in addition to power supply cables, bare wires are outdoors at high altitudes, which are not only exposed to the sun and rain, but also polluted by the environment, and the maintenance task is very heavy. If the iron tower, tower cross arm, post clamp, elbow, bolt, steel cap, oil tank on transformer and fasteners of high-voltage transmission line are treated by Dacromet process, although the one-time investment is large, the cost will increase accordingly, but it is beautiful and durable, once and for all, saving a lot of perennial maintenance costs. Domestic high-voltage switch industries, such as Xigaoguan and Pinggaokai, have taken the lead in introducing this technology and achieved remarkable results. In addition to the above industries, municipal engineering, machinery industry, railway terminals, shipbuilding and ship repair, aerospace, marine engineering, hardware tools, outdoor metal components, etc. Are studying and applying dacromet coating technology.
Limitations of dacromet coating
Dacromet coating has many advantages, but it also has some disadvantages, mainly as follows:
1. dacromet coating is not very conductive, so it is not suitable for conductive connection parts, such as grounding bolts of electrical appliances.
2. Dacromet coating is a high-temperature sintered layer, so the surface hardness and scratch resistance are slightly worse than other traditional treatment methods, and post-treatment is needed in special occasions.
Reprinted from Changzhou Hejun official website, please contact the original author.