The newsprint paper is made of bisulfate pulp, mechanical wood pulp, and also addition of sulphate bleached softwood pulp.
The production technology of fiber corresponds to technologies of foreign producers that provide to let-out newsprint a high level of quality. Production is certified on the voluntary basis. Newsprint roll paper Brands V, O, OE, A, B Mass of m²: from 42 to 48,8 grams. Roll wide: 42 cm, 59,4 cm, 84 cm, 126 cm, 168 cm ( on request of consumers newsprint production in rolls of other width is possible). Diameter of a roll: from 85 to 125 cm.
Newsprint paper intends for printing on high-seed newspaper units of the newspapers containing the text, shaped and raster black-and-white and color illustration. Newsprint thin Mass of m²: from 38 to 43 grams. Diameter of a roll: from 85 to 125 cm. Newsprint intends for printing of newspapers and other editions by offset and other ways of printing.
Proporties | Test method | Typical values | ||
SUBSTANCE, grm | ГОСТ Р 13199 (ISO 536) | 42±2 % | 45±2 % | 48,8±2 % |
CALIPER, µm | ISO 1924-3 | 68-72 | 72-75 | 75 |
DENSITY, g|cm3 | 0,62 | 0,62 | 0,62 | |
BULK, cm3/g | 1,6 | 1,6 | 1,6 | |
BREAKING LENGTH, m | 4500 | 4500 | 4500 | |
TEAR STRENGTH, mN | 220 | 230 | 230 | |
TENSILE STRENGTH MD, kN/m | 2 | 2 | 2 | |
ELONGATION, % | ГОСТ 13525.3
(ISO 1974) |
0,8 | 0,8 | 0,8 |
ROUGHNESS (BENDTSEN), 1 kg, ml/min, max | ГОСТ 12605
(ISO 535) |
150 | 150 | 150 |
AIR PERMEABILITY, ml/min, max | ISO 5636-5 | 250 | 250 | 250 |
BRIGHTNESS, % | ГОСТ 13525.19
(ISO 287) |
61 | 61 | 61 |
OPACITY, % | 91 | 92 | 93 | |
MOISTURE, % | 7-9 | 7-9 | 7-9 | |
CONTENT OF GROUND WOOD, % | 74 | 74 | 74 | |
COLOUR COORDINATES | ||||
L | 84 | 84 | 84 | |
A | -0,2 | -0,2 | -0,2 | |
B | 4 | 4 | 4 | |
DOMINANT WAVELENGTH, nm | 576,8 | 576,8 | 576,8 | |
EXCIT PURITY, % | 4,2-5,2 | 4,2-5,2 | 4,2-5,2 | |
PARTICLE CONTENT – number of particles per 1 m2 | ||||
from 0,5 to 1,5 mm2 | 32 | 32 | 32 |