HIGH-MIRROR-POLISHED STEEL BELTS Well known producers of films and foils rely on Berndorf Band, the foremost producer of highly polished surfaces on steel belts. Technology and experience Continuous product enhancements and innovations in the manufacturing process make it possible to cast the high-precision optical films that are used in the production of e. g. LCD monitors. The exacting requirements for optical p ­roducts can be met only with supersmooth polishing and extremely pure steels. Continuous reliability Berndorf Band GmbH 2560 Berndorf, Austria Tel +43 2672 800-0 Fax +43 2672 84176 [email protected] www.berndorf-band.at Thus you will certainly find the ­ ptimal belt o surface for your product in our extensive portfolio of polishing qualities for acrylic glass, filter membranes, ceramic films and other products. Bern­ dorf Band not only d ­ elivers the steel belts required especially for the optical foils used in the production of TFT LCD ­monitors. Its subsidiary, Berndorf Band Enginering, offers the leading edge technology for film- and foil casting lines. Benefit from our expertise and extensive experience in the construction of casting line

Films and foils, engineering Your advantages • High-quality end products thanks to vibration-free, smooth belt running characteristics. • Production in large widths. The casting area can be extended using longitudinal welding seams. • High product quality due to endless steel belts with minimum production tolerances. • For high-quality foils Vacuum-melted steel (VAR) made to Berndorf specifications is used. • The bernmatic tracking and tensioning system is a standard feature of all our casting systems, ensuring smooth belt running and allowing optimal use of the entire casting width.

Surface qualities / Roughness value 5 Polishing grades / Pin hole size Unlimited number of pin holes Restricted number of pin holes No pin holes allowed µm Berndorf Band standard values. Special agreements on request.

Technical data Physical and mechanical properties. Typical values. Material *) 50% of the test specimens withstand 2,000,000 load cycles. If not otherwise specified, the values given apply at room temperature. Subject to change due to technological progress. Errors and omissions excepted. Special materials upon request. A 8/2014 Please refer to our General Terms and Conditions of Sale.