ISO/DIS 9177-2

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

General information

Current stage: 40.99 Effective date: 5 korr 2021

Originator: ISO

Owner: ISO/TC 10

Type: International Standard

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

PREVIOUSLY

Revises
ISO 9177-2:1989

NOW

IN_DEVELOPMENT
ISO/DIS 9177-2
40.99 Full report circulated: DIS approved for registration as FDIS
5 korr 2021

National adoptions

prSSH ISO 9177-2:2022

DPS

Lapsa mekanikë (portamina) për vizatime teknike - Pjesa 2: Majat e zeza - Klasifikimi dhe dimensionet

40.60 Close of voting

DPS/KT 304 më tepër

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