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ISO 9177-2:1989

Mechanical pencils — Part 2: Black leads — Classification and dimensions

Mar 16, 1989
95.99 Withdrawal of Standard   Jun 1, 2022

General information

95.99     Jun 1, 2022

ISO

ISO/TC 10

International Standard

01.100.40     97.180  

French   English  

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Scope

Two types are available, black leads in which the binding agent is an organic polymer (designated by the letter "P"), and black leads in which the binding agent is clay (designated by the letter "C"). Classification is made according to the degree of hardness. Part 1 deals with the classification, dimensions, performance requirements and testing.

Life cycle

NOW

WITHDRAWN
ISO 9177-2:1989
95.99 Withdrawal of Standard
Jun 1, 2022

REVISED BY

PUBLISHED
ISO 9177-2:2022

National adoptions

SSH ISO 9177-2:1989  
DPS

Mechanical pencils — Part 2: Black leads — Classification and dimensions

60.60 Standard published

DPS/KT 304 more