High Visibility Band Vest Chinese Standard
China’s GB 20653-2020 Protective clothing High-visibility warning clothing for occupational use has come into effect on 1 August 2021. GB 20653-2020 will replace GB 20653-2006 High-visibility warning clothing for occupational use in its entirety. Ergonomics requirements， increased the chemical safety performance requirements and test methods for base materials and non-fluorescent materials;
modified the reflective performance requirements for single performance reflective materials, eliminated three classifications, and unified technical requirements, etc.
The main differences between GB 20653-2020 and ISO 20471:2013 are as follows: the minimum width of the reflective tape of Class 1 warning clothing has been adjusted from 50mm to 25mm, and the requirements for the design of the reflective tape on the shoulder have been added. 4.4 Ergonomic requirements for warning clothing 5.7 Chemical safety performance requirements etc.
GB 20653-2020 was mainly drafted by: China Academy of Work Safety Sciences, Ministry of Public Security Special Police Equipment Quality Supervision and Inspection Centre, Jiaotong Institute of Science and Technology (Beijing) Co Ltd, 3M China Ltd.