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Homepage>BS Standards>85 PAPER TECHNOLOGY>85.060 Paper and board>20/30408946 DC BS EN ISO 12625-7. Tissue paper and tissue products Part 7. Determination of optical properties. Measurement of brightness and colour with D65/10° (outdoor daylight)
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immediate downloadReleased: 2020-09-15
20/30408946 DC BS EN ISO 12625-7. Tissue paper and tissue products Part 7. Determination of optical properties. Measurement of brightness and colour with D65/10° (outdoor daylight)

20/30408946 DC

BS EN ISO 12625-7. Tissue paper and tissue products Part 7. Determination of optical properties. Measurement of brightness and colour with D65/10° (outdoor daylight)

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LANGUAGE
English
Standard number:20/30408946 DC
Pages:20
Released:2020-09-15
Status:Draft for Comment
DESCRIPTION
This standard 20/30408946 DC BS EN ISO 12625-7. Tissue paper and tissue products is classified in these ICS categories:
  • 85.060 Paper and board
  • 85.080.20 Tissue paper

This document specifies testing procedures for the instrumental determination of brightness and colour of tissue paper and tissue products viewed under outdoor daylight conditions. It also gives specific instructions for the preparation of test pieces (single-ply, multi-ply products) and for the optical measurements of products, where special precautions may be necessary.

NOTE

The properties called ISO brightness and colour with C/2° (indoor daylight) are measured with an instrument adjusted to a much lower UV content than that specified in this document. The measurements of ISO brightness and colour with C/2° (indoor daylight) are described in ISO 12625-15.


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