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Offset print paper mark «P» (Plump) |
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«Featherweight» offset paper for printing (mark «P») – is a paper with average content of ash, calendered, surface sized, with modified structure of paper layer (featherweight), white (with/without optical bleach use) or painted one/multi-coloured in one ream (with different dyes use).
« Featherweight » paper differs from traditional offset paper by a smaller volume weight of square meter. Buying one ton of ' Featherweight ' paper you will get for the edition tens of square meters of a high-quality paper free of charge. This paper has higher opacity and makes it possible to have thicker book at less sheets quantity.
Specifications
STO Goznak 94690005.09.03.0001-2010
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Indicator |
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Standard |
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Test Method |
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Paper weight (m2.), g |
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45-70 ± 2
73-95 ± 3
100-150 ± 4
155-210 ± 5
215-240 ± 6 |
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GOST 13199
ISO 536 |
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Water absorption by surface under one-side wetting (Cobb60), g/m2., (top side of paper) not more than, for paper weight 1 m2:
- (45 - 150) g;
- (155 - 240) g.
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35
45 |
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GOST 12605
ISO 535
and under the item 8.3 of the present standard |
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Whiteness (in the average on two sides),%, notless
For paper with OBA
For paper without OBA
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128
70 |
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ISO 11475 |
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Roughness (Bendtsen),
ml/min, on both sides with bigger number, not more, for marks
- А, B
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250 |
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ISO 8791-2 |
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Density, g/cm3:
- marks А, B not less
- mark P, not more |
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0,75
0,70 |
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GOST 27015
ISO 534 |
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Breaking length in two directions (average), m, not less |
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2300 |
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GOST ISO 1924-1 |
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Paper surface resistance to picking (Dennison), on upper side, not less |
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10 |
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Test ТАРРI Т 459 |
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Humidity, % |
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5,0 ± 1,0 |
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GOST 13525.19
(ISO 287) |
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Notes:
It is allowed to produce paper with another paper weight and additional quality indices and their maximum deviation by producer and customer agreement.
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Offset print paper, roll formats Offset print paper, sheets formats
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