Ordinary material
Ordinary material
Material which is neither retroreflecting nor fluorescent nor phosphorescent nor involves powered light emission nor is activated by a radioactive source.
- Document
- ISO
- Context
- International Standard
- Origin document
ISO 3864-4:2011(en) Graphical symbols — Safety colours and safety signs — Part 4: Colorimetric and photometric properties of safety sign materials
- Reference Link
- Release