※ The main components of the abrasive are silicon, silica and alumina; the main producing areas: China, the United States, Europe and Japan.
① The main component of China and the United States is silica, cheap, throw up more dust.
② Europe's main component of alumina, high cost, less dust when polishing, due to the formula, it feels very oil.
③ Japan is also the main component of alumina, the quality is very good, the best workmanship and dosage, but the price is more expensive.
Common abrasive brands: 3M, Micron, Turtle brand, Manzelner and Sonax and so on.