Envelopes
Clairalfa Envelopes and Pockets
The Clairefontaine paper used for Clairalfa envelopes and pockets has a high whiteness of 171 CIE and a high bulk for much easier processing. Its surface finish is optimised for good colour reproduction. Clairalfa envelopes and pouches offer excellent flatness, essential for proper machine processing of stacks.
The envelope backing is printed in grey using water-based inks to ensure confidentiality. The window is made of 35g crystal paper, with 85% transparency. Clairalfa envelopes and pockets feature reinforced closures for both adhesive and gummed envelopes. Envelopes and pockets are delivered in hinged boxes, which are practical to use and reusable for the printer.
171 CIE
Whiteness
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Virgin fibre -
Forest Stewardship Council
Zero Plastic
The advantages of the paper Clairalfa Envelopes and Pockets
- High bulk, optimized surface finish, whiteness of 171 CIE,
- 35g crystal paper windows, envelope backing printed in grey,
- Reinforced closure for both adhesive and gummed envelopes.
| 80g | 90g | |
|---|---|---|
| C6 - 114 x 162 mm | Réf. 1431C | |
| DL - 110 x 220 mm | Réf. 1400C | Réf. 1600C |
| DL - 110 x 220 mm Fenêtre : 35 x 100 | Réf. 1401C | Réf. 1601C |
| DL - 110 x 220 mm Fenêtre : 45 x 100 | Réf. 1402C | Réf. 1603C |
| DL - 110 x 220 mm Fenêtre : 45 x 90 | Réf. 1403C | |
| C6/5 - 114 x 229 mm | Réf. 1429C | |
| C6/5 - 114 x 229 mm Fenêtre : 40 x 110 | Réf. 1430C | |
| C5 - 162 x 229 mm | Réf. 1604SC | |
| C5 - 162 x 229 mm Fenêtre : 45 x 100 | Réf. 1605C | |
| C4 - 229 x 324 mm | Réf. 1410C | |
| C4 - 229 x 324 mm Fenêtre : 50 x 100 | Réf. 1411C | |
| C4 - 229 x 324 mm Fenêtre : 55 x 90 | Réf. 1412C |
| Substance | g/m² | 80 | 90 | NF EN ISO 536 |
| Thickness | μm | 120 | 122 | NF EN ISO 534 |
| Bulk | cm³/g | 1.36 | 1.36 | NF EN ISO 534 |
| Whiteness | CIE ISO | 171 112 | 171 112 | NF ISO 11475 ISO 2470-2 |
| Bendtsen roughness | ml/min | 120 | 120 | ISO 8791-2 |
| Opacity | % | 94 | 95 | NF ISO 2471 |
ISO 9001: Quality management system
ISO 14001: Environmental management system
ISO 50001: Energy management system
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