Basic introduction
North Test provides comprehensive testing and analysis services for rail transit materials, including locomotive interiors, exteriors, decorative materials, flame retardant materials, and components. It focuses on toxic and hazardous substances, combustion performance, physical and chemical performance, and reliable performance. Railway standards, national standards, providing professional and reliable testing and analysis services.
Testing services
Interior materials for rolling stock
Car body materials, flooring, insulation and packaging materials, interior decoration materials, air conditioning ducts, wires and cables, and other non-metal materials.
Vehicle functional materials testing
Structural materials, decorative materials, adhesives, paints and coatings, rubber and plastic products, textiles, carpets.
Test items
Combustion performance test:
Oxygen index, combustion performance, smoke density, toxic gas concentration, combustion level (flammable level), drip level (liquid level), smoke level (smoke level), smoke toxicity (smoke index), flame surface extension Or critical radiant heat flow during fire suppression, flame surface extension, smoke density, smoke toxicity, oxygen index, surface extension of flame or critical radiant heat flow during fire suppression, flame surface extension, 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 Ether (Octa-BDE), PCP-pentachlorophenol and its salts and esters, PCT-polychlorinated terphenyl, penta-bromodiphenyl ether (Penta-BDE), short-chain chlorinated paraffin (SCCP), short-chain chlorine Paraffin wax (SCCP), lead-based paint, high-concentration halogen.
Restricted materials:
CFC—fluorochlorocarbons, 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, HFCs (hydrofluorocarbons), PFC (perfluorocarbon), sulfur hexafluoride (SF6), formaldehyde, isocyanates, volatile organic compounds (VOC), toluene, trichlorobenzene (TCB), antimony trioxide, beryllium and their compounds, Hexavalent chromium, cobalt chloride, decabromodiphenyl ether (Deca-BDE), artificial mineral fiber (MMMF), medium chain chlorinated paraffin (MCCP), nickel, tetrachloroethylene, phthalates: o Butyl benzyl phthalate (BBP), dibutyl phthalate (DBP), bis (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, TMTD, organotin compounds, triphenyl phosphate (TPP), tris (2,3-dibromopropyl) phosphate, triacridyl Phosphorus oxide.
Testing standards
Vehicle air quality inspection
VOC detection of vehicle interior materials (formaldehyde, acetaldehyde, acrolein, benzene, toluene, ethylbenzene, xylene, styrene, TVOC, etc.)
Heavy metal detection (lead, cadmium, mercury, hexavalent chromium, beryllium, etc.)
Detection Requirements of Banned and Restricted Substances of Iron General Technology [2014] No. 50
Testing requirements for TB / T 3139
Q / CNR J 00011 "Prohibited and Restricted Substances for Rail Transportation 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 the main parts and materials of the EMU
SJTY-ZT-003 Technical Specification for Banned Restricted Substances in Rail Transportation Equipment Products (CRRC Long Bus Standard)
Q / CRRC J 26 Banned and restricted substances for rail transit equipment products
TB / T 3138 Technical requirements for flame retardant materials for rolling stock
TB / T 3139 Locomotive vehicle interior materials and indoor air harmful substances limit
TB / T 3237 Flame retardant technical requirements for interior materials for EMUs
DIN 5510-2 Preventing combustion of railway vehicles-Part 2: Combustion characteristics and combustion of materials and components and discoveries-Classification, requirements and test methods
BS 6853 General Code for Fire Protection Design and Construction of Passenger Trains
Our advantage
NTEK Group
Third party certification body
Hot Line
400-800-6106
Official account
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