サファイア末 化学特性,用途語,生産方法
定義
本品は、主として酸化アルミニウムからなる鉱物の粉末である。
化粧品の成分用途
不透明化剤
説明
Sapphire occurs in a wide range of colors such as blue, pink, padparadscha
orange, yellow, green, purple, black. Color is due to trace impurities of Fe2+, Fe3+, Ti, and
yellow color centers. The most expensive color is an intense cornflower blue; these are sometimes referred to as "Kashmir" sapphires having a highly saturated, slightly milky, violet
blue color. Padparadscha is next in value, followed by pink, then orange, purple and yellow,
respectively. Nowadays 400–500 tonnes of synthetic sapphire are produced by the Verneuil
process each year.
使用
In jewelry, as phonograph needles, industrial abrasive, watch and instrument bearings.
サファイア末 上流と下流の製品情報
原材料
準備製品