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sklademVydáno: 2005-02-17
BS EN ISO 5269-1:2005
Pulps. Preparation of laboratory sheets for physical testing Conventional sheet-former method
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| Označení normy: | BS EN ISO 5269-1:2005 |
| Počet stran: | 18 |
| Vydáno: | 2005-02-17 |
| ISBN: | 0 580 45486 X |
| Status: | Standard |
Popis
BS EN ISO 5269-1:2005
This standard BS EN ISO 5269-1:2005 Pulps. Preparation of laboratory sheets for physical testing is classified in these ICS categories:
- 85.040 Pulps
This part of ISO 5269 specifies a method, using a conventional sheet former, for the preparation of laboratory sheets of pulp for the purpose of carrying out subsequent physical tests on these sheets in order to assess the relevant properties of the pulp itself.
This part of ISO 5269 is applicable to most kinds of pulp. It is not suitable for some pulps with very long fibres, such as those made from unshortened cotton, flax and similar materials.
This method is not suitable for the preparation of laboratory sheets for the determination of diffuse blue reflectance factor (ISO brightness) in accordance with ISO 3688[1].
WARNING — When long-fibred pulp is used in the unshortened form, the sheet formation may not always be satisfactory.