Industrial Pressure Calendering

Precise control of fibre thickness and compaction for precision technical applications.

The Calendering Process

Calendering is the crucial stage in producing materials with tight dimensional tolerances.
By passing the fabric between heated rollers under high pressure, we compact the fibres, resulting in a perfectly flat surface and a consistent thickness along the entire length of the roll.

Why Choose Calendering?

Uniformity: essential for materials used in industrial gaskets or precision mechanical couplings;
Optimised density: increases the material’s density, improving thermal insulation properties per millimetre of thickness;
Technical finish: produces smooth surfaces that facilitate cleaning or release during moulding processes.

Areas Of Application

It is mainly used in the manufacture of flexible insulating sheets, expansion joints and thermal barriers where installation space is limited.

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FAQs On Pressure Calendering

Can Calendering Be Carried Out Cold?

Yes, we operate both cold and hot. However, hot calendering is recommended to ensure better resin stabilisation and a superior surface finish.

What Thickness Tolerance Can You Guarantee With Calendering?

Thanks to our ground rollers and micrometric distance control, we are able to guarantee extremely tight tolerances (up to +/- 0.1 mm depending on the base material), making our fabrics ideal for flat gaskets and flanged mechanical seals.

Can Calendering Damage Stiffer Fibres Such As Carbon Or Silica?

No, our process is designed to compact without crushing. We adjust the pressure and temperature of the rollers according to the fragility of the specific fibre, ensuring that the material retains its mechanical and structural strength.

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