| Revision dimensions | 2008 version | 2025 version | Key points of technical upgrade |
|---|---|---|---|
| Sign type | 4 types of basic signs | 37 new special signs | Added scenario-based signs such as Beware of people involved and Beware of battery charging |
| Industrial pipelines | Not integrated | New Chapter 8 | Specifies 8 basic identification colors and 5 identification methods |
| Lighting requirements | Not specified | 7.3.1 Special clauses | Mandatory application of retro-reflective/self-luminous materials |
Chapter 4 of the standard specifies the application scenarios of four colors: red (prohibition/firefighting), yellow (warning), blue (instruction), and green (safety tips). Requirements for contrasting colors:
The stamping workshop needs to set up the following combined signs: Beware of mechanical injuries (1-10), No gloves allowed (2-28) and Must wear ear protectors (3-05), model 5 (observation distance 10-16 meters), made of oil-resistant PVC material.
| Material Type | Identification Color | Marking Example |
|---|---|---|
| Oxygen | Light Blue (PB06) | Arrow + "O₂" Bidirectional Marking |
| Acid | Purple (P02) | 150mm Color Ring + "H₂SO₄" |
GB 2894-2025 Safety Colors and Safety Signs has been changed from GB 2893-2008 Safety colours.
GB 2894-2025 Safety Colors and Safety Signs has been changed from GB 7231-2003 Basic identification colors and code indications and safety sign for industrial pipelines.

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Update:
Mon, 13 Jul 2026 17:01:29 +0000