PURPOSE
Printing of text and illustrative text publications using high-resolution printing
Paper specifications
| Paper weight with an area of 1sq.m., g | 60±2 65±2 |
|
| Breaking length on average in two directions, for paper with an area of 1 sq.m., g2,г 40-50 60-120 |
⩾2100 ⩾2200 |
⩾2100 ⩾2200 |
| Mass fraction of ash, % | ||
| Smoothness on each side, s | ||
| Degree of impurity (number of specks per 1 sq.m.): -the area from 0.1 to 0.5 sq.mm. -the area from 0.5 to 1.5 sq.mm. -the area over 1.5 sq.mm. |
⩽200 ⩽30 0 |
⩽200 ⩽30 0 |
| Humidity, % | ||
| Whiteness, % | ||
Additional information
No folds, breaks, holes visible to the naked eye are allowed on the paper surface. Subtle folds, wrinkles, stripes, spots (excluding glossy spots) are allowed, which can not be detected during the manufacturing process (rewinding), if the index of these intra-roll defects, defined according to State Standard GOST 13525.5, does not exceed 5 %.