ČSN EN ISO 787-17

General methods of test for pigments and extenders - Part 17: Comparison of lightening power of white pigments

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Podrobné informácie

Označenie: ČSN EN ISO 787-17

Dátum vydania: 01.11.2019

Stránok: 16

Krajina: Česká technická norma

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Anotácia

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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