ISO 6769:2022 PDF
Vitreous and porcelain enamels — Determination of surface scratch hardness according to the Mohs scale
Vitreous and porcelain enamels — Determination of surface scratch hardness according to the Mohs scale
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 3
- Дата публикации:
- 24 октября 2022 г.
- Издание:
- ISO IS 6769 edition 1 version 1
- ICS:
- 25.220.50
This document specifies a method of test for determining the scratch hardness of the surface of vitreous and porcelain enamels.
Abstract
Overview
ISO 6769:2022 - "Vitreous and porcelain enamels - Determination of surface scratch hardness according to the Mohs scale" - specifies a standardized test method to determine the of vitreous and porcelain enamels using the . The method is manual and comparative: predefined reference minerals of known Mohs hardness are drawn across the enamel surface to identify the highest hardness that does not produce a visible scratch.
Похожие стандарты
Упомянутые в описании и другие стандарты ISO