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Paper LORD DIGITAL, roll formats |
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Standard reeled formats of paper LORD DIGITAL in any combination multiple 3180 mm are accepted.
Reeled paper LORD DIGITAL as sheet formats is made with supercalender finishing, surface sizing, using of optical brighteners and different hydrophilic additives.
Roll diameter is 950 ± 50 mm. Paper production of another diameter is accepted.
Winding of paper LORD DIGITAL is tight and uniform along the full reel width. Usage of underwinding (paper sheets) close to paper core to make paper winding uniform in reel is allowed. Underwinding is not acceptable in the middle of reel.
The thickness of paper layer with underwinding do not exceed 10 mm and place of underwinding is marked color signal visible from the reel cross-cut end. Paper edge is even and clean.
Paper is made from 100 % bleached softwood and hardwood pulp.
Quality indices of paper for digital satisfy the standards
STO GOZNAK 02250250.09.03.0004 – 2008.
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Indicator |
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Standard |
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Test Methods |
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Paper weight 1 m2, g |
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90
160
220 |
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GOST 13199
ISO 536 |
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Density, not less, g/sm3 |
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0,9 |
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GOST 27015
ISO 534 |
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Opacity, %, not less, for paper weight 1 m2:
90 g, 100 g
120 g, 160 g
200 g, 220 g
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92
94
95 |
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GOST 8874
ISO 2471 |
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Water absorbency, one side wetting, Коbb60, g/m2, (top side of paper), not more |
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40 |
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GOST 12605
ISO 535
Federal State Unitary Enterprise “Goznak” methods
(express-method) dated 20.03.2006
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Smoothness, s, not less, for paper weight 1m2:
90 g, 100 g
120 g, 160 g
200 g, 220 g
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100
80
60 |
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GOST 12795 |
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Brightness, СIЕ, un., (in average on two sides of paper sheet), not less: |
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150 |
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GOST 30113
ISO 2470 |
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Surface picking resistance, Denisson un., not less: |
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15 |
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Test ТАРРI Т 459 |
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Humidity, % |
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4,5 ± 1,0 |
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GOST 13525.19
ISO 287 |
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Paper LORD DIGITAL, size А4 Paper LORD DIGITAL, sizes А3, А3+, SRA |
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