Filtech Fabrics [P] Ltd. Offers Centrifuge Filter Bag. Filtech Fabrics [P] Ltd. Offers wide range of all types of industrial fabrics, belting cloth and filtering papers. The range of centrifuge filter bags are used as basket type as well as lifting type star filter bags. These centrifuge filter bags are made of polypropylene and cotton. The weight of the fabrics ranges between 500gms to 900 gm. The bags are used in edible oil refineries, chemical industries and biscuit industries.