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Paints and varnishes - Visual comparison of colour of paints (ISO 3668:2017)
出版:National Standards Authority of Ireland

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基本信息
標(biāo)準(zhǔn)編號: I.S. EN ISO 3668:2020
出版單位:National Standards Authority of Ireland
標(biāo)準(zhǔn)頁數(shù):24
標(biāo)準(zhǔn)簡介
This document specifies a method for the visual comparison of the colour of films of paints or related products against a standard (either a reference standard or a freshly prepared standard) using artificial light sources in a standard booth.
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