ISO 9177-2:1989

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

Publication date: Mar 16, 1989

General information

Current stage: 90.92 Effective date: Jul 5, 2021

Originator: ISO

Owner: ISO/TC 10

Type: International Standard

ICS: 01.100.40 97.180

Languages: French English

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Status: Published

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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

PUBLISHED
ISO 9177-2:1989
90.92 Standard to be revised
Jul 5, 2021

REVISED BY

IN_DEVELOPMENT
ISO/DIS 9177-2

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

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