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ISO 20318-2:2019

Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads

Publication date:   Mar 5, 2019

General information

90.20 Standard under periodical review   Jan 15, 2024

ISO

ISO/TC 10 Technical product documentation

International Standard

01.100.40   Drawing equipment | 97.180   Miscellaneous domestic and commercial equipment

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Scope

This document specifies classification, dimensions, quality and test methods for black leads used for mechanical pencils for general writing, as specified in ISO 20318-1.

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PUBLISHED
ISO 20318-2:2019
90.20 Standard under periodical review
Jan 15, 2024