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Indicator |
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Standard |
 |
 |
Test Method |
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Paper weight (1 m2), g |
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(50 - 75) ± 2 (80 - 95)± 3 (100 - 120)± 4 |
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GOST 13199 ISO 536 |
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Whiteness, for paper without optical bleach , u., not less |
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80 |
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GOST 30113 ISO 2469, 2470 |
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Bekk smoothness, s, not less, for paper:
Machine finished
Supercalendered |
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20 100 |
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GOST 12795 ISO 5627 |
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Water absorption by surface under one-side watering (Cobb60), not more |
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35 |
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GOST 12605 ISO 535 Goznak method |
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Humidity, % |
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5 ± 1 |
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TU 5432-002-02250250-2000 (instead of TU 47-02-18-93) |
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