DSF/ISO/FDIS 9177-2
Mechanical pencils for technical drawings – Part 2: Black leads – Classification and dimensions
inactive
| Organization: | DS |
| Status: | inactive |
| Page Count: | 13 |
| ICS Code (Drawing equipment): | 01.100.40 |
| ICS Code (Miscellaneous domestic and commercial equipment): | 97.180 |
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.
Document History
June 7, 2022
Mechanical pencils for technical drawings – Part 2: Black leads – Classification and dimensions
This document specifies a classification and dimensions for black leads used for mechanical pencils for technical drawings. Two types of black leads are available: – polymer leads (designated by...
DSF/ISO/FDIS 9177-2
Mechanical pencils for technical drawings – Part 2: Black leads – Classification and dimensions
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...