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Machine Design

Polymer Films

Topas COC (cyclic olefin copolymer) helps make highly transparent films that are practically free of gels.

Topas 8007F-400 can be used in discrete or COC-rich layers for multilayer films. In blown films, it can work in applications such as pouches, flow-pack, lidding, and twist wrap. The new grade is a clear cycloolefin copolymer that adheres to polyolefins, especially linear low-density polyethylene. It can be metallized and colored easily, and has an inherent moisture barrier that can extend product shelf life. It has a modulus of 2,500 MPa and a glass transition temperature of 80°C.

Ticona Technical Polymers., 8040 Dixie Highway, Florence, KY 41042, (800) 833-4882,

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