basic introduction

ZRLK testing 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 properties, and reliable performance. Standards, national standards, provide professional and reliable testing and analysis services.

Testing service

Interior decoration materials for rolling stock

Car body materials, floors, 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, rubber and plastic products, textiles, carpets.

Test items

Combustion performance test:

Oxygen index, combustion performance, smoke density, toxic gas concentration, combustion grade (flammable grade), dripping grade (liquid grade), smoke grade (smoke grade), smoke toxicity (smoke toxicity index), flame surface extension Or critical radiant heat flow during fire extinguishing, flame surface extension, smoke density, smoke toxicity, oxygen index, flame surface extension, or critical radiant heat flow during fire extinguishment, flame surface extension, smoke density, smoke toxicity, oxygen index.

Prohibited 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, pentabromodiphenyl ether (Penta-BDE), short-chain chlorinated paraffin (SCCP), short-chain chlorine Fossil wax (SCCP), lead-based paint, high concentration halogen.

Restricted materials:

CFC—HFCs, 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 (perfluorocarbon), sulfur hexafluoride (SF6), formaldehyde, isocyanates, volatile organic compounds (VOC), toluene, trichlorobenzene (TCB), antimony trioxide, beryllium and their compounds, Hexavalent chromium compound, cobalt chloride, decabromodiphenyl ether (Deca-BDE), artificial mineral fiber (MMMF), medium-chain chlorinated paraffin (MCCP), nickel, tetrachloroethylene, phthalate esters: 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), fumei bis (TMTD), organotin compounds, triphenyl phosphate (TPP), tris (2,3-dibromopropyl) phosphate, triacridyl Phosphorus oxide.

Testing standards

Vehicle air quality inspection

VOC testing of interior materials (formaldehyde, acetaldehyde, acrolein, benzene, toluene, ethylbenzene, xylene, styrene, TVOC, etc.)

Heavy metal detection (lead, cadmium, mercury, hexavalent chromium, beryllium, etc.)

Tie Zong Science and Technology [2014] No. 50 Test Requirements for Prohibited and Restricted Substances

TB/T 3139 testing requirements

Q/CNR J 00011 "Prohibited and restricted substances for 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 of main components and materials in EMU vehicles

SJTY-ZT-003 Technical Specification for Prohibited and Restricted Substances for Rail Transit Equipment Products (CSR Standard)

Q/CRRC J 26 Prohibited and restricted substances for rail transportation equipment products

TB/T 3138 Technical conditions of flame retardant materials for rolling stock

TB/T 3139 Limits for interior materials of locomotives and harmful substances in indoor air

TB/T 3237 EMU flame retardant technical conditions for interior materials

DIN 5510-2 Railway vehicles prevent combustion-Part 2: Combustion characteristics and combustion of materials and components and found signs-Classification, requirements and test methods

BS 6853 General code for fire protection design and construction of passenger trains

Our advantage

1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.