20-1 Retro-reflective markings.doc

20-1 Retro-reflective markings: Effective date from 2006/7/1 20-1.1 Effective date and Scope: 20-1.1.1 As for the reverse triangle yellow portion of right and left sides and rear for vehicle of child-only vehicle and school bus, the new vehicle types as of 2006/7/1 and all vehicle types as of 2008/7/1, shall comply with this regulation. 20-1.1.2 As for the vehicles of category symbols M, N and O (except the above-mentioned vehicles), the new vehicle types as of 2006/7/1 and all vehicle types as of 2008/7/1, shall comply with this regulation. 20-1.2 Definitions： 20-1.2.1 Marking: means a rectangular strip or a series of such strips intended to be placed in such a way that it identifies the entire length and width of a motor vehicle and its trailer when viewed from the side (side marking) or rear (rear marking). 20-1.2.2 Contour marking: means a series of strips intended to be placed in such a way that it shows the contour of the vehicle to the side (side marking) and to the rear (rear marking). 20-1.2.3 Class C material: material for contour / strip marking. 20-1.2.4 Class D material: material for distinctive markings/graphics intended for a limited area. 20-1.2.5 Class E material: material for distinctive markings/graphics intended for extended area. 20-1.3 Retro-reflective markings shall according to suitable types and range of principle： 20-1.3.1 Brand. 20-1.3.2 The characteristics of the retro-reflective material (category of C/D/E). 20-1.3.3 The parts affecting the properties of the retro-reflective materials or devices. 20-1.4 Test Procedure: 20-1.4.1 Five test samples representing either strips or planes of retro-reflective marking materials have to be submitted to the test laboratory. In the case of strips, at least a length of 3 meters shall be provided, in the case of planes, at least a surface of 500 x 500 mm2 shall be provided. 20-1.4.2 The samples shall be subjected to the heat resistance test described in paragraph 20-1.7.4 to this Regulation prior to