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Homepage>BS Standards>85 PAPER TECHNOLOGY>85.060 Paper and board>BS EN ISO 12625-7:2021 - TC Tracked Changes. Tissue paper and tissue products Determination of optical properties. Measurement of brightness and colour with D65/10° (outdoor daylight)
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immediate downloadReleased: 2021-09-28
BS EN ISO 12625-7:2021 - TC Tracked Changes. Tissue paper and tissue products Determination of optical properties. Measurement of brightness and colour with D65/10° (outdoor daylight)

BS EN ISO 12625-7:2021 - TC

Tracked Changes. Tissue paper and tissue products Determination of optical properties. Measurement of brightness and colour with D65/10° (outdoor daylight)

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Standard number:BS EN ISO 12625-7:2021 - TC
Pages:48
Released:2021-09-28
ISBN:978 0 539 19244 5
Status:Tracked Changes
DESCRIPTION

BS EN ISO 12625-7:2021 - TC


This standard BS EN ISO 12625-7:2021 - TC Tracked Changes. Tissue paper and tissue products is classified in these ICS categories:
  • 85.080.20 Tissue paper
  • 85.060 Paper and board

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 can 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 .