Technical explanation
Technical characteristic of CN/CNN
For the production of reinforcement, belts, books covering, and leather goods.
| Test Method | Property | Requirements | Average values of CN |
| UNI ISO 3376 | Determination of tensile strength | • 6 N/mm² | - Along. 9,0 N/mm² - Across. 7,5 N/mm² |
| UNI ISO 3376 | Determination of elongation | • > 20 % | - Along. 23,0 % - Across. 34,0 % |
| UNI 4914 | Determination of tear strength | • 3 N/mm² | - Along. 3,3 N/mm² - Across. 4,2 N/mm² |
| UNI EN 12772 | Determination of dimension stability | • 2 % | < 2 % |
Reconstituted Leather from vegetal tanned leather only.
Material produced by automatic continuous system.
CN/CNN
| Vegetable tanned leather | 68% |
| natural | 22% |
| Chemicals and water | 10% |
| Density (average) | 0,85 ± 0,5 |
| Usual commercial size | Rolls size: length m 50- width cm 150 abt. Sheets size: cm 100x150 |
| Normal thickness available | from 0.25 mm to 1.4 mm |
| Tolerance on thickness | from ± 0.05 mm to ± 0.1 mm |
Material in confirmity with reach legislation.
The exclusive presence of leather scraps only vegetal tanned and the quantity conformity of chemical substance as Chrome VI, Pentachorophenol, Azocolorants, Aromatic Ammins and Clorurate Substance, makes the material in accordance to Italian and Europeans rules for toxicity.
Technical characteristic of CNI/CNIN
For the production of reinforcement, belts, books covering, and leather goods.
| Test Method | Property | Requirements | Average values of CN |
| UNI ISO 3376 | Determination of tensile strength | • 6 N/mm² | - Along. 12.4 N/mm² - Across. 10.8 N/mm² |
| UNI ISO 3376 | Determination of elongation | • > 20 % | - Along. 30 % - Across. 44 % |
| UNI 4914 | Determination of tear strength | • 3 N/mm² | - Along. 7.2 N/mm² - Across. 8.6 N/mm² |
| UNI EN 12772 | Determination of dimension stability | • 2 % | < 2 % |
Reconstituted Leather from vegetal tanned leather only.
Material produced by automatic continuous system.
Firma Franz Hoffmann - Feinleder
Bucheinbandleder, Objektleder - Echte Hautpergamente
Bucheinbandleder, Objektleder - Echte Hautpergamente