Ceramis transparent high barrier film

What is Ceramis^®?

Ceramis® is a technology by which a SiOx coating is applied to various types of substrates. The Ceramis^® coating is a thin inorganic layer of silicon oxide that has been evaporated in a high vacuum environment to substrates like PET, oPA and oPP. The solid silicon oxide is heated by an electron beam and sublimates. Then the vapor condensates and forms a very thin barrier layer on the film that is conveyed on a cooling roll.

Film Properties

• Highly transparent
• Excellent combined barrier against gases, water vapor and aromas, not affected by temperature and humidity
• Transparent to microwaves
• Suitable for use in MAP, aseptic, hot fi ll, pasteurization and sterilization applications
• No “retort shock”
• Allows metal detection
• High flex-crack resistance
• High bonding of the SiOx coating to the base films
• Printable with all established printing processes
• Suitable for use on all converting machines

The following film types are used as base films:

• PET
• Polyethylene terephthalate
• oPA Orientated Polyamide
• oPP Orientated Polypropylene
• PLA Polylactic Acid

Coatings on other base films, e.g. ETFE and PC, are available on request.

Application Examples

• Non-retort: meat, pizza, pasta, cheese, snacks, herbs and spices, biscuits, instant drinks, tooth paste
• Retort: soups, dips, sauces, ready-meals, fruits, enteral nutrition
• Technical specialties: solar cells, electronic devices (e.g. RFID, OLED), photovoltaic, holograms, surface protection, functional surfaces

In section DOCUMENTS you could find Product Examples.