European Railway Fire Safety Standard for Rolling Stock (EN 45545-2 (HL3))
Mandates stringent flame spread, optical smoke density, and toxic gas emission limits for wire markers, heat-shrink sleeving, and cable tags installed inside passenger train cars, underground subways, sleeping railcars, and transit tunnels. This engineering compliance guide details the mandated laboratory test procedures, authorized thermal transfer ribbons, and officially recognized Brady material combinations.
Materials are tested to Requirement Sets R22 (indoor equipment) and R23 (outdoor equipment) for Hazard Level 3 (HL3). Tested parameters include Limiting Oxygen Index (LOI >= 32% per ISO 4589-2), Optical Smoke Density (Ds max < 150 per EN ISO 5659-2), and Conventional Index of Toxicity (CIT_G < 0.75 per EN 45545-2 Annex C).
Certified Brady B-Number Materials for EN 45545-2 (HL3)
Halogen-Free Low-Smoke Heat-Shrink Sleeves
Fully certified to EN 45545-2 HL3 (R22/R23) with LOI >= 34% for passenger rolling stock and tunnel cabling.
Low-Smoke Zero-Halogen Cable Marker Tags
Non-adhesive tie-on cable tags meeting HL3 requirements for large-diameter transit power feeder trunks.
Certified Orderable SKUs for EN 45545-2 (HL3)
Catalog part numbers, Grainger SKUs, roll dimensions, and list pricing.
Compliance & Quality Audit FAQs: EN 45545-2 (HL3)
Agency certifications (UL 969, SAE-AS-81531, MIL-STD-202G) evaluate the complete printed system—the face stock, the adhesive, and the ink formulation. If an unapproved third-party ribbon is used, the print may fail solvent or eraser abrasion testing, voiding the certification and failing AS9100 / ISO audits.
Click through to any material profile page (e.g. B-342 or B-7642) and use the "Print Spec Sheet" button in the top right to generate a clean, PDF-ready engineering submittal package.