Uniform provisions concerning the approval of protective helmetsand their visors for drivers and passengers of motor cycles andmopeds
关于批准摩托车轻便摩托车驾驶员及乘客用头盔和面罩的统一规定 Clause Test Requirement
Helmet: 1 size 2 sizes 3 sizes 4 sizes 5 sizes Visor: Without mistretardant With mist retardant 4 Markings 6 General specifications6.1~6.3 Construction 6.4 The extent of the protection 6.5Ventilation 6.6 Projections from or irregularities in the outersurface of the shell (7.4) 6.7 External projections 6.8Inward-facing sharp edges 6.9 Detachment of components 6.1 Resistance to abrasion of the chin strap (7.10) 6.11Retention system 6.12 Materials 6.13 Breakage or deformation 6.14Peripheral vision 6.15 Visors 6.15.2 Angle opening 6.15.3.1~3General field of vision 6.15.3.4 Luminous transmittance 6.15.3.5Light diffusion 6.15.3.6 Road traffic sign 6.15.3.7 Spectraltransmittance 6.15.3.8 Refractive powers 6.15.3.9 Mist retardantvisor (optional requirements) 7 Tests 7.3 Impact-absorptiontests 7.4 Test for projections and surface friction (method B) 7.5Rigidity tests 7.6 Dynamic test of the retention system 7.7Retention (detaching) test 7.8 Visor tests 7.8.2 Mechanicalcharacteristics 7.8.3 Optical qualities and scratch resistance7.8.3.2.1.1 Luminous transmittance 7.8.3.2.1.2 Light diffusion(before and after abrasion) 7.9 Micro-slip test of the chin strap7.1 Test for resistance to abrasion of the chin strap 7.11 Testsfor retention systems relying on quick-release mechanisms Samplerequired: Helmet: 1size: 11 pcs; 2 sizes: 10 pcs of largest size, 4 pcs of smallest size; 3 sizes and over: 10 pcs of largest size, 4 pcs of smallestsize, 3 pcs of other sizes Visor: Withoutmist retardant: 14 pcs; With mist retardant: 20 pcs 样品要求 : 头盔 1个尺寸： 11 顶； 2个尺寸： Zui大尺寸10顶,Zui小尺寸4顶； 3个或更多尺寸： Zui大尺寸10顶,Zui小尺寸各4顶,其他尺寸各3顶 面罩 带防雾功能：14片 不带防雾功能：20片 Turnaround time: normal (20 working days). 所需时间:标准20个工作天).
