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Homepage>BS EN ISO 787-17:2019 - TC Tracked Changes. General methods of test for pigments and extenders Comparison of lightening power of white pigments

BS EN ISO 787-17:2019 - TC

Tracked Changes. General methods of test for pigments and extenders Comparison of lightening power of white pigments

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Označení normy:	BS EN ISO 787-17:2019 - TC
Vydáno:	2020-02-24
ISBN:	978-0-539-07807-7
Status:	Tracked Changes

DESCRIPTION

BS EN ISO 787-17:2019 - TC

This standard BS EN ISO 787-17:2019 - TC Tracked Changes. General methods of test for pigments and extenders is classified in these ICS categories:

87.060.10 Pigments and extenders

This document specifies a general method of test for comparing the lightening (reducing) power of a white pigment with the lightening power of an agreed sample of the same type.

Two procedures (A and B) are specified. Procedure A is quicker than procedure B and is suitable for testing one sample of pigment; procedure B is better for testing several samples, and especially if a pigment of unknown lightening power is being tested.

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