Bond paper production technology
Purpose: the technology ensures the production of documentary grades D-2 and D-3 for multicolor printing of securities and documents designed for a long period of use, with a given degree of protection
Technical specifications:
| Indicators | Value |
| Weight of paper 1m2, g | 75 ± 2.0; 90 ± 3.0 |
| Breaking length, km, not less | 5.0 |
| Break resistance, p.p., not less | 250 |
| Degree of gluing, mm, not less | 1.8-2.0 |
| Surface absorbency with one-sided wetting, no more than g / m2 | 16-21 |
| Mass fraction of ash, not more than% | ten |
| Smoothness, s, not less | 40 |
| Whiteness (without optically brightening substance),% not less | 80 |
| Surface resistance to plucking, dough number, not less | fourteen |
| Opacity,% not less | 85 |
| Durability (in terms of archival storage), at least years | 200 |
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Advantages compared to analogs: the technology allows you to expand the range of bond paper and improve the quality of strict reporting forms produced on its basis at the enterprises of Goznak in Belarus
Form of intellectual property protection: patents of the Republic of Belarus: 13365 “Composition of paper for printing, containing a modified carbonate filler”; 13946 “Paper for printing with surface glue”