Oystar iwk expands format range of tfs15 tube filling machine to up to 60 mm.stutensee, january 4, 2010. Tubes are continuing their triumphal advance throughout the cosmetics industry. Whether toothpaste, hand cream, shower gel or shampoo more and more manufacturers rely on tubes for packaging their products. Oystar iwk supports this growing demand with tube filling machines for every class of performance. The newest development is that the company has expanded the range of formats for the tfs15 from 52 mm to 60 mm in terms of diameter.