CHRONOS is back. The reference conservation paper has been reborn.

A heritage-grade, recognized, high-standard paper. It has protected thousands of documents in storage and archives across France. Today, it returns under the Promuseum banner with a new commitment: environmental responsibility.

Key Advantages of CHRONOS Paper

• Compliant with ISO 9706 and ISO 16245 – Type A.

• pH neutral, optical brightener-free, with alkaline reserve.

• 15% repulped fibers from manufacturing offcuts, with no compromise on quality.

• Permanent paper, free of plasticizers and harmful bleaching agents.

• Developed and produced in France.

Rigorous Manufacturing

• 100% compatible with preventive conservation requirements.

• Conforms to standards Z40-***, ISO 9706, ISO 16245 Type A.

• Delivered flat or pre-assembled.

A range of packaging solutions designed for conservation. Technical choices made for the care of your collections.

✦ Excellent Fold Resistance
Thanks to an optimal proportion of long fibers, CHRONOS products retain their shape and rigidity even after repeated handling.

✦ Finished with Smooth Edges
No roughness from manufacturing; the interior of sleeves is perfectly smooth.

✦ Smooth, Calendered Surface
Prevents abrasion and repels dust—your documents remain protected, even during long-term storage.

✦ Neutral, Solvent-Free Adhesive
Envelopes are assembled with an EVA water-dispersion adhesive for clean, stable construction without chemical impact on documents.

✦ Weight Options for Every Use
From 90 to 300 g/m², covering all packaging needs from soft documents to rigid folders.

✦ Compatible Formats
Designed to fit standard secondary packaging (boxes, drawers, binders) seamlessly.

Eco-Responsible Color and Manufacturing

• CHRONOS Taupe: Legible even with pencil, non-staining, no bleeding. Optical brightener-free with alkaline reserve to counter acid hydrolysis.

• Assured Compliance: ISO 16245 Type A, ISO 9706, NF Z40-014, ISO 18916.