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トンボ鉛筆 Tombow

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  3. What is acid-free?

Stationery Tips

Knowledge of glue

What is acid-free?

Acid is acids that do not contain acidic components.
However, in a Tombow Pencil , the meaning of acid-free is not “acids or alkalis, nor does it tarnish paper or letters!” 」
The “Acid-free mark” is applied to the target liquid glues and the glue tapes by spreading the interpretation.

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Knowledge of glue Materials of glue

CATALOG

Digital catalog is available for online reading.

General Info Catalog

General Information of Tombow 2024-2025 Lineup of all products of Tombow

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Eco Info Catalog

Information and lineup of environmental products of Tombow

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Downloadable PDF version is available.

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Product information in catalogs is created at the time of catalog production. Please note that design, specification and other information may change without notification.