calender machine for thermoplastic films and sheets

The calendering process for the production of film and sheet is an important asset in the SML machinery portfolio. In film and sheet extrusion we deal with a wide range of polymers, diverse requirements for product quality and various different markets.
The main applications of calendered rigid films are thermoformed products such as trays, cups and lids for the food industry. They are often made of PP, PS and PET and may have PA or EVOH barrier layers. Other industries served are in the optical, photovoltaic, medical or automotive sector.

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SLEEVE TOUCH TECHNOLOGY
the revolution in transparent films

features / advantages:
unique process for highly transparent film
thickness ranges from 100 to 450 micron
good processability of different coextrusion structures (PP, COC, EVOH, etc.)
optimised cooling of film between sleeve belt and cooling roller
reduced internal film stress, due to low nip pressure
different roller and belt surfaces available (matted, embossed)
different winder types, stackers and handling systems available
quick start-up
quick change from sleeve to conventional polishing roller, extrusion coating or airknife process
applications:
highly transparent and thin polypropylene films for folded boxes
stationary products
thermoformed containers for food packaging with barrier materials
IV-bags
highly-transparent lids for reclosable food packaging containers
blister packaging
films for graphics industry & inmould processing
decorative films for furniture applications
films for applications in photovoltaic industry