Cavitec® filter

The Cavitec® filter comprises two separate filter segments surrounding a cavity containing granular activated carbon. A unique characteristic of the Cavitec® is that it allows the cavity to be filled with more than one granular additive. This can be in combination with different segment materials for maximum filtration flexibility.

Filter construction

Consists of a tobacco and mouth segment of high-quality crimped acetate surrounding a central cavity. The tobacco segment can be loaded with activated carbon or constructed from paper to further increase flexibility. The cavity is filled with granular-activated carbon, which can be combined with other suitable granular adsorbents.

The outer two segments and the cavity are wrapped in plugwrap, which can be standard or porous. The central cavity is created as the filter segments are wrapped in an outer plugwrap, which can also be standard or porous depending on the required ventilation.

A range of configurations, lengths, circumferences, additive loadings and types are available ensuring each construction is designed to enhance brand and suit taste and filtration requirements.

Cavitec Example

Features and benefits

  • Granular adsorbent and excellent flexibility help build a unique selling point and brand differentiation possibilities
  • Optimisation of additives effect owing to industry leading volumetric cavity fill
  • High levels of additive loading if required
  • Reduction of vapour phase and semi-volatile components in mainstream smoke without the need for ventilation thanks to activated carbon
  • Flexibility to balance the taste and smoothness of the tobacco to suit the customers’ requirements
  • Flexibility for one or more adsorbents
  • Clean-run product offering a production environment free from contamination when segments are not loaded with carbon
  • Possibility of including granular additives in tobacco-end segment for maximum loading

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