ISO 9177-2:1989

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

Publication date: 16 mar 1989

95.99 Withdrawal of Standard 1 qer 2022

General information

Current stage: 95.99 Effective date: 1 qer 2022

Originator: ISO

Owner: ISO/TC 10

Type: International Standard

ICS: 01.100.40 97.180

Gjuha: frëngjisht anglisht

Buying

Statusi: Shfuqizuar

PDF - 7 123 Lekë

Paper - 7 123 Lekë

CD - 7 123 Lekë

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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WITHDRAWN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
1 qer 2022

REVISED BY

PUBLISHED
ISO 9177-2:2022

National adoptions

SSH ISO 9177-2:1989

DPS

Lapsa mekanike (portamina) - Pjesa 2: Majat e zeza - Klasifikimi dhe përmasat

60.60 Standard published

DPS/KT 304 më tepër