美國ROTUBA公司生產的醋酸纖維素塑膠CA，廣泛應用於眼鏡、玩具、透明工藝品的製造等。ROTUBA公司研發並投入生產保持香味1-23年的特殊CA產品，廣泛用於飾品、手機、3C產品、衛浴、化妝品等產品。
有香味的產品將可提高產品的附加價值以及提供產品設計者更多元的變化，目前廣泛被許多知名品牌用新的設計手法廣泛應用於不同的產品當中。
ROTUBA company produces cellulose acetate plastic CA which is widely used in manufacturing of ophthalmic frames, toys and transparent art objects. ROTUBA has researched and developed a special CA product which can hold fragrance between 1 to 23 years. It finds wide applications in jewellery, mobile phones, 3C products, bathroom accessories, cosmetic packaging etc.
Products produced with a long lasting fragrance adds a lot of value relative to the virgin products and it allows designers to have a wider latitude of creativity. The new CA product is already being used by many world famous brand names in their design to of new and innovative products.