Which company does the car exterior inspection go to? Baijian.com is a collectively owned research institute with CMA and other qualifications recognized by the national metrology certification. It integrates testing, inspection, analysis, testing, technical consulting and other services. It has also been rated as a national high-tech enterprise and can carry out testing projects such as automotive exterior inspection. Having the national high-tech enterprise certificate and CMA testing qualification certificate, with complete testing instruments, the testing report can be issued within 7-15 days Detection scope: bumper, radiator cover, wheel opening, anti friction strip, rearview mirror, near air grille, back door trim panel, deflector, luggage handle, windshield, sun visor, protective panel, bowl trim, external handle sticker, mudguard, car sticker, car antenna, car fog light frame, car headlight eyebrow, car tail light frame, etc Testing items:

Mechanical performance testing: tensile testing, bending testing, hardness testing, impact testing, covering power

Composition testing: qualitative and quantitative analysis of components, trace element analysis

Structural analysis: metallographic analysis, non-destructive testing, coating analysis

Size measurement: coordinate measurement, projector measurement, precision caliper measurement

Aging testing: consumption, wear resistance Viscoelastic properties Electrical properties: breakdown voltage or breakdown strength, insulation resistance, dielectric constant, dielectric loss, water resistance Oil resistance

HG/T 5180-2017 water-based coatings for automotive plastic parts

SAE J2020-2003 Rapid aging test of automotive exterior materials using fluorescent ultraviolet and condensation equipment

T/CSAE 104-2019 Laboratory xenon arc lamp aging test method for automotive exterior coatings

Generally, it takes 7 to 15 working days