ISO 9177-2:1989 - $45.00   BUY NOW

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

ISO 9177-2:1989 Publication Description:

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.

International Classification for Standards (ICS)

ICS Classification Field ICS Field Sub-Group and Number
ICS-97-Domestic ICS Domestic/Commercial Equipment (97.180)
ICS-01-Generalities ICS Drawings-Drawing Equipment (01.100.40)

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