As friends know, aluminum oxide polishing solution is suitable for polishing metallographic samples. It is a nanoscale suspension that is smooth and textured like milk. After a certain period of rest, the solvent and aluminum oxide particles will naturally layer, with the upper layer forming a semi transparent water sample and the aluminum oxide particles depositing on the lower layer. Before use, it is necessary to shake well. The shaken aluminum oxide polishing solution looks like milk. Laboratories that prepare metallographic samples of cast iron, steel, stainless steel, copper, polymers, minerals, microelectronics, precious metals, etc. generally prepare alumina polishing solution.

    Aluminum oxide polishing solution is used as a polishing solution to remove surface deformation layers that are not visible to the naked eye on the sample surface. Especially when using high-power lenses, polarized light, differential interference, or EBSD technology to detect and evaluate samples, it is necessary to remove such small deformations.
When using MasterPrep alumina polishing solution containing sol-gel alumina, the material can be efficiently removed through pure mechanical polishing, achieving excellent surface treatment results. If other types of polishing fluids are used, such as weakly alkaline silicone polishing fluids, a reaction layer needs to be formed with the material surface through chemical mechanical polishing methods. By removing the reaction layer with soft silicone, high-quality surfaces can also be obtained, which eliminates the need for chemical polishing processes. Therefore, in practical applications, it is very common to choose alumina polishing solution in the conventional situation.
Do you know why the metallographic laboratory needs to prepare several bottles of alumina polishing solution this time? Have you prepared your experiment yet? If not, don't worry. The imported metallographic consumables for Chain Energy Metallography are already prepared in the warehouse for you. They are all imported from the United States with good quality and can be shipped on the day of order placement. Express delivery is guaranteed to ensure timely receipt and convenience, just like those in your own laboratory.