Interleaving and release films for the tire and rubber compound industry.

Politubes supplies a wide range of interleaving and release liner for the tire industry, designed for the wrapping and separation of rubber compounds before vulcanization.

All our films are custom-designed according to customer specifications and are also suitable for various other rubber compound applications.

Available liner types

• POLINET: multilayer liner reinforced with an internal mesh, embossed to enhance release properties.
• POLIREL: embossed polyester film with excellent release performance and flexibility, available in thicknesses from 36 to 350 microns.

Why choose Politubes interleaving liners?

In today’s highly competitive market, reducing hidden production costs is crucial. Downtime and scrap caused by line interruptions can significantly lower productivity and profitability.

Our POLINET film is the ideal solution for tire and rubber compound manufacturers, offering:

• outstanding release properties, preventing rubber deformation;
• excellent shape and surface preservation, without folds or defects;
• reduced downtime and scrap → resulting in higher productivity;
• high mechanical strength and tear resistance;
• significant cost savings, as it can be reused up to 20–25 times more than conventional products, with easy repairability;
• no polluting substances, no fraying, no bagging;
• an eco-friendly product with lower disposal costs.