Ribbon-bound covers
Description
A classic archival storage product for documents.
Note: We can produce ribbon-bound covers with paper flaps at a client's request.
The flaps provide additional protection.
Material
- Siena cardboard:
- ISO 16245 type B certificate
- colour: greyish-brown
- pH > 7.5
- alkaline reserve > 0,4 mol/kg
- water absorbency: Cobb60 < 25 g/m2
- no dye migration
- no optical brighteners
- grammage: 1100 g/m2
- Ribbon:
- width: 10 mm
- 100% cotton cellulose
- fibres are not chemically bleached
- fibres are not of recycled origin
- natural white
- neutral pH
- herringbone weave
