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SSH ISO 9177-2:1989

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

Apr 26, 2016
95.99 Withdrawal of Standard   Oct 17, 2024

General information

95.99     Oct 17, 2024

DPS

DPS/KT 304

International Standard

01.100.40     97.180  

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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WITHDRAWN
SSH ISO 9177-2:1989
95.99 Withdrawal of Standard
Oct 17, 2024

REVISED BY

PUBLISHED
SSH ISO 9177-2:2022

Related project

Adopted from ISO 9177-2:1989