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Chromium Oxide Coatings

If you are looking for high-quality products, please feel free to contact us and send an inquiry, email: brad@ihpa.net



The Rhine, which flows through Switzerland, Germany, France and the Netherlands, is an important shipping channel in Europe, and tens of millions of tons of goods are transported between countries through the Rhine every year. The persistent drought and lack of rain in Europe this summer has led to a drop in the water level of the Rhine, which has seriously affected shipping and exacerbated the energy crisis in Europe.


Argentina's economy minister and director of the National Social Security Agency recently announced that pensions for most of the country's retirees will rise by 15.53% from September. In addition, starting from September, retirees will receive an additional grant for three consecutive months, ranging from 4000 Argentine pesos to 7000 Argentine pesos.

It is understood that the range of people who can enjoy the pension increase is limited to those whose monthly income does not exceed twice the minimum social average wage (43353 Argentine pesos), which is expected to cover 85 per cent of the country's retirees.

The minister of economy said the increase in pensions is to help people cope with rising prices brought about by inflation. Argentina's monthly inflation rate in July has not yet been announced, and several agencies expect it to reach about 8 per cent, while Argentina's annual inflation rate is likely to exceed 100 per cent by the end of the year.


Because of the turbulent international situation, the supply and prices of many international bulk chromium oxide are still very uncertain.

Chromium oxide (Cr2O3) is a kind of dark green powder with metallic luster and belongs to hexagonal or amorphous crystal. Cr2O3 melting point is 2265℃ ~ 2435℃ and Cr2O3 density is 5.2g/cm3. It is a neutral oxide.
 
Chromium oxide has good spraying process performance, its spraying process specification is wide, it is less sensitive to overheating during spraying, and the coating is not easy to crack when local overheating occurs. The spray coating is very dense and has high bonding strength with the substrate, so it is easy to be machined such as grinding and polishing.
 
However, the deposition efficiency of pure chromium oxide powder is low, which will increase the cost of the coating. The chromium oxide coating prepared by flame spraying or plasma spraying is dense and insoluble in acid, alkali and alcohol. After proper sealing treatment, the coating can be used in the environment with chemical corrosion medium.
 
Cr2O3 coatings properties
The chemical properties of plasma sprayed chromium oxide coating are very stable, insoluble in acid, alkali, salt and various solvents, excellent corrosion resistance to medium impregnation, high temperature erosion resistance to corrosive gases such as H2S and SO2, stable to atmosphere, fresh water, sea water and light, but soluble in hot sodium bromide solution. Chromium oxide coating has good hydrophilicity and a uniform water film is formed on the surface of the coating.
 
What are Cr2O3 coatings used for?
Cr2O3 coatings can be used as abrasive wear resistant coating, hard surface wear and erosion wear coating below 540℃, cavitation wear resistant coating, corrosion wear resistant coating for parts used in chemical media below 250℃ (need to be properly sealed), such as pistons, plungers, chemical machinery shafts, pump seals, wear-resistant rings, slide valves, cylinder linings, exhaust fans, polishing and polishing fixtures, etc. Fiber wear-resistant coating, such as guide wheel, friction wheel, roller roller of chemical fiber spinning machine, magnetic conductive and wear-resistant coating, such as tape recorder head, etc.
The sprayed Cr2O coating is dark dark green with strong covering ability and high and stable thermal emissivity in a wide range of off-line wavelengths. Commonly used in infrared radiation coating (such as electric heating pipe coating), high temperature magnetic conductive wear-resistant coating, etc.
 
Chromium oxide Price
The price is influenced by many factors including the supply and demand in the market, industry trends, economic activity, market sentiment, and unexpected events.
If you are looking for the latest Cr2O3 price, you can send us your inquiry for a quote. (sales3@nanotrun.com)
 
Chromium oxide Supplier
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted Cr2O3 manufacturer and Cr2O3 supplier with over 12-year-experience. We ship our goods all over the world.
 
If you are looking for high-quality chromium oxide powder, please feel free to contact us and send an inquiry. (sales3@nanotrun.com)

 

Recently, Russia's deputy prime minister said that the number of countries buying Russian oil is increasing, including Asian countries. Russia will use the "East Siberia-Pacific" pipeline system to increase exports to Asian countries and promote the diversification of oil output.  

He also said that Russian oil chromium oxide are expected to continue to increase in the future.

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