Coating lines

Web-to-web coating systems for specialist and industrial applications.

Comexi Coating lines
Image from the Comexi catalogue. The pictured configuration may differ from your project.

Comexi · Lamination & coating

Coating lines

Custom roll-to-roll lines apply functional coatings to films, foils, papers or board. The correct solution starts with the coating chemistry, substrate and drying demand; it is an engineered line rather than one fixed machine specification.

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Published model data

Typical published widths
1500–2500 mm
Published speed ceiling
Up to 600 m/min
Application methods
Gravure / Flexo / Semiflexo

Source checked: 2 October 2026. Values describe specific versions and configurations, not guaranteed performance on every material. An asterisk identifies an option or configuration to confirm. Comexi source and specifications ↗

Understand the process

Add a functional layer to a moving web

Coating applies a controlled layer to a substrate to obtain a specific surface function. Examples discussed in the training include cold seal and heat seal. Application method, coverage and drying must match the chemistry and end use.

  1. Select the application method

    Assess gravure, flexographic or other supported coating systems for the material and coating chemistry.

  2. Control coverage

    Determine whether the layer covers the full web or must align with a printed pattern. Registered applications need suitable register control.

  3. Dry or condition

    Use the required drying or conditioning route and confirm winding behaviour before releasing the coated web.

What we review with you

Application target
Define coating function, target coat weight, coverage and uniformity.
Process compatibility
Check the web, coating system, dryer and downstream sealing or converting operation together.
Validation
Agree trials and acceptance criteria with the supplier; a listed coating technology does not guarantee every chemistry is compatible.

Process education adapted from Comexi training materials, not operating instructions or guaranteed model specifications. Confirm equipment and operating limits in the approved proposal.

From information to a useful proposal

Share substrates, thickness, width, production volume and existing equipment. We coordinate the relevant specification, trial and brochure with Comexi. Options and supply availability are confirmed for each project.

Request specifications and brochure
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