Finish: paint or platingMaterial: stainless steel, carbon steel, aluminumIntroduction: Metal horn grille. Products are widely used in digital products, electronic products, communication equipment and other industries, such as mobile phones, cameras, DVDs
CA, produced by sol-gel method, is a kind of sintered abrasive grains. So it is also named as SG abrasive grain. The crystal dimension is very small, which is only 100--500nm, and it is only less one-percent of common corundum crystal size.