Certification for Critical Radiation Heat Flux Testing in Rail Transit Materials

Rail transit testing
Basic introduction
Beice Testing provides comprehensive testing and analysis services for rail transit materials, including locomotive interior parts, exterior parts, decorative materials, flame retardant materials, and components. It provides professional and reliable testing and analysis services based on railway standards and national standards, focusing on toxic and hazardous substances, combustion performance, physical and chemical properties, and reliability.
Testing services
Interior decoration materials for locomotives
Body materials, flooring, insulation and packaging materials, interior decoration materials, air conditioning ducts, wires and cables, and other non-metallic materials.

Vehicle functional material testing
Structural materials, decorative materials, adhesives, paints and coatings, rubber and plastic products, textiles, and carpets.
Test items
Combustion performance test:
Oxygen index, combustion performance, smoke density, toxic gas concentration, combustion level (flammable level), dripping level (liquid level), smoke level (smoke level), smoke toxicity (smoke toxicity index), surface extension of flame or critical radiation heat flux during fire extinguishing, surface extension of flame, smoke density, smoke toxicity, oxygen index, surface extension of flame or critical radiation heat flux during fire extinguishing, surface extension of flame, smoke density, smoke toxicity, oxygen index.

Banned materials: 4-nitrobiphenyl, 2-naphthylamine, p-diaminobiphenyl, 4-aminobiphenyl, asbestos, CFC-chlorofluorocarbon, monomethyldibromodiphenylmethane, monomethyldibromodiphenylmethane, (Ugilec 121 or 21) monomethyldichlorodiphenylmethane, (Ugilec 141) monomethyltetrachlorodiphenylmethane, Halon-perbromofluorocarbon, nonylphenol, nonylphenol ethyl, octabromodiphenyl e,ther (Octa-BDE), PCP-pentachlorophenol and its salts and esters, PCT-polychlorinated terphenyls, pentabromodiphenyl e,ther (Penta-BDE), short-chain chlorinated paraffin (SCCP), short-chain chlorinated paraffin (SCCP), lead-based paint, high concentration of halogen.

Restricted materials:
CFC-chlorofluorocarbons, arsenic and its compounds, cadmium and its compounds, lead and its compounds, mercury and its compounds, PBB-polybrominated biphenyls, PCB-polychlorinated biphenyls, fluorinated greenhouse gases, HFC (hydrofluorocarbons), PFC (perfluorocarbons), sulfur hexafluoride (SF6), formaldehyde, isocyanates, volatile organic compounds (VOC), toluene, trichlorobenzene (TCB), antimony trioxide, beryllium and its compounds, hexavalent chromium, cobalt chloride, decabromodiphenyl e,ther (Deca-BDE), man-made mineral fiber (MMMF), medium-chain chlorinated paraffin (MCCP), nickel, tetrachloroethylene, phthalates: butyl benzyl phthalate (BBP), dibutyl phthalate (DBP), di(2-ethylhexyl) phthalate (DEHP), diisononyl phthalate (DINP), diisodecyl phthalate (DIDP), dioctyl phthalate (DNOP), diisobutyl phthalate, dimethyl phthalate, cobalt chloride, polycyclic aromatic hydrocarbons (PAH), polyvinyl chloride (PVC), talc (Talcum), thiram (TMTD), organic tin compounds, triphenyl phosphate (TPP), tris (2, 3-dibromopropyl) phosphate, triacridyl phosphine oxide.
Testing standards
Vehicle air quality testing
VOC testing of interior materials (formaldehyde, acetaldehyde, acrolein, benzene, toluene, ethylbenzene, xylene, styrene, TVOC, etc.)
Heavy metal testing (lead, cadmium, mercury, hexavalent chromium, beryllium, etc.)
Testing requirements for banned and restricted substances in China Railway Science and Technology [2014] No. 50
Testing requirements for TB/T 3139
Q/CNR J 00011 "Banned and restricted substances in rail transit equipment products"
EU REACH testing requirements EU RoHS (ten items) testing requirements
EU ELV testing requirements
SJTY-ZT-002 Formaldehyde and volatile organic compounds in major components and materials in EMU vehicles
SJTY-ZT-003 Technical specifications for banned and restricted substances in rail transit equipment products (CRRC Changke standard)
Q/CRRC J 26 Banned and restricted substances in rail transit equipment products
TB/T 3138 Technical conditions for flame retardant materials for locomotives and rolling stock
TB/T 3139 Limits of harmful substances in interior materials and indoor air of locomotives and rolling stock
TB/T 3237 Flame retardant technical conditions for interior materials for EMUs
DIN 5510-2 Prevention of combustion of railway vehicles - Part 2: Combustion characteristics and combustion complications of materials and components - Classification, requirements and test methods
BS 6853 General fire protection specification for design and construction of passenger trains