ISO 20318-2:2019
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads

Standard No.

ISO 20318-2:2019

Release Date

2019

Published By

International Organization for Standardization (ISO)

Latest

ISO 20318-2:2019

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.

ISO 20318-2:2019 Referenced Document

• ISO 12757-1 Ball point pens and refills - Part 1: General use
• ISO 14145-1 Roller ball pens and refills- Part 1:General use
• ISO 20318-1 Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 1: Mechanical pencils
• ISO 5-3:2009 Photography and graphic technology - Density measurements - Part 3: Spectral conditions
• JIS S 6005 Leads for mechanical pencils

ISO 20318-2:2019 history

• 2019 ISO 20318-2:2019 Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads