How to wash the copper casting

How to wash the copper casting
As we all know, the range application of copper casting is very wide, it is also very popular, then how should we deal with it if it’s dirty or stained with the stain, I will emphatically for you about this problem. Now let’s try to understand the mechanical polishing process first, it can be divided into rough grinding, fine grinding, polishing, sand blasting and brushing. Of course, we can also take a different process based on the smooth degree of surface. Usually we do the degreasing through the chemical reactions, the copper castings is decontaminated by sodium hydroxide, then wash with a certain amount of water on the line, the temperature should be controlled at 50-60 degrees when cleaning. Finally rinse with water. So the grease can be removed clean basically. Do you feel learned something after read this article? Hope can bring you some help