Classification route
The British Standard code of practice for fire precautions on railway passenger rolling stock.
BS 6853 sets out fire precautions for the design and construction of railway passenger rolling stock. Its annexes reference test methods for smoke and toxicity, which are run at our laboratory on the apparatus listed below.
LUL S1085 also draws on several of these methods. If you are working to BS 6853, LUL S1085 or EN 45545-2 , our technical team can confirm which tests your product requires.
| Annex | Test method | Test page |
|---|---|---|
| BS 6853 Annex B.1 | NF X 70-100 — Toxicity Test, Tube Furnace | View test → |
| BS 6853 Annex B.2 | Smoke Density Chamber — BS EN ISO 5659-2 / ASTM E662 | View test → |
| BS 6853 Annex D | Smoke Density of Cables — EN / IEC 61034, 3 Metre Cube | View test → |
Performance requirements and classification levels depend on the application and are confirmed with you before testing begins.
NF X 70-100
Tube furnace toxicity test used to determine the Conventional Index of Toxicity (CIT) for non-listed railway products.
BS EN ISO 5659-2 · ASTM E662
Determines the specific optical density of smoke generated by solid materials and assemblies in a closed chamber.
EN 61034-2
Measures smoke emission when electric cables are burned under defined conditions in the 3 Metre Cube.
Tell us which annex or requirement applies to your product and our technical team will confirm the correct test methods.
