GB/T 40047-2021 English PDF

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GB/T 40047-2021: Personal protective equipment - Eye and face protection for sports use - Ski goggles
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40047-2021	319	Add to Cart	4 days	Personal protective equipment - Eye and face protection for sports use - Ski goggles	Valid

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GB/T 40182   GB/T 41097   SN/T 0869   GB/T 44700   GB/T 44458.3   

Basic data

Standard ID: GB/T 40047-2021 (GB/T40047-2021)
Description (Translated English): Personal protective equipment - Eye and face protection for sports use - Ski goggles
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y56
Word Count Estimation: 17,148
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40047-2021: Personal protective equipment - Eye and face protection for sports use - Ski goggles

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Personal protective equipment-Eye and face protection for sports use-Ski goggles ICS 97.220.40 CCSY56 National Standards of People's Republic of China Personal protective equipment sports eye and face protection ski goggles Skigoggles Released on 2021-04-30 2021-06-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Basic requirements 5 4.1 Biocompatibility 5 4.2 Structure and Adjustment 6 4.3 Cleaning and disinfection 6 4.4 Lens material and surface quality 6 4.5 Head model 6 4.6 Robustness and adaptability 6 5 Requirements 6 5.1 Transmittance 6 5.2 Scattered light 8 5.3 Diopter 8 5.4 Mechanical requirements 9 5.5 Field of view 9 5.6 Minimum protective area 9 5.7 Resistance to ultraviolet radiation 9 5.8 Flame resistance 10 5.9 Water resistance and snow resistance 10 5.10 Anti-fog performance 10 5.11 Wear resistance 10 6 Test method 10 6.1 Transmittance test method 10 6.2 Scattered light test method 11 6.3 Diopter test method 11 6.4 Mechanical strength test method 12 6.5 Visual Field Test Method 12 6.6 Test method of resistance to ultraviolet radiation 12 6.7 Flame retardancy test method 12 6.8 Test method for water resistance and snow resistance 12 6.9 Anti-fog performance test method 12 6.10 Abrasion resistance test method 12 Reference 13

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the Ministry of Emergency Management of the People's Republic of China. This document is under the jurisdiction of the National Sports Goods Standardization Technical Committee (SAC/TC291). Drafting organizations of this document. China National Institute of Standardization, China Sporting Goods Industry Federation, Beijing Extreme Sunshine Trading Co., Ltd., Air Force Air Force Characteristic Medical Center of Medical University, China Jiliang University, Guangzhou Institute of Metrology and Testing Technology, Hangzhou Huapu Yongming Optoelectronics Co., Ltd. The main drafters of this document. Cai Jianqi, Guo Ya, Zeng Shanshan, Guo Dehua, Huang Shuai, Li Yuhao, Tian Yan, Chen Yi, Hu Limin, Zhou Yi.

Introduction

Since the successful bid for the Beijing Winter Olympics in 2022, Beijing, Hebei, Changchun, Liaoning, Inner Mongolia, Xinjiang and other regions have targeted ice and snow sports. Implementation opinions have been issued, and ice and snow activities in various regions are becoming more abundant, and the enthusiasm of the people to participate in ice and snow sports continues to rise, which is an improvement Stepping prosperity has brought major opportunities. At the same time, eye and face injuries are common injuries in ice and snow sports, even if they are small, they can cause the patient's lifestyle Change. According to statistics, people who have common sense of eye protection during sports and have taken eye protection measures are better than those without eye protection measures. The facial injury rate has dropped by 24%. Taking appropriate eye and face protection measures during ice and snow sports can reduce damage and protect users Safety. This document is based on the premise of protecting human eye and face safety, and is based on the current production, sales and use of ski goggles in my country. The measurement methods of existing relevant standards and international and foreign advanced standards (such as. European standard EN174-2001, American standard ASTMF659- 2010 and the draft international standard ISO /FDIS18527-1), formulate the index requirements for ski goggles that meet the facial features of Chinese people, and standardize enterprises, The ski goggles testing methods used by testing organizations enhance the competitiveness of domestic related products in the international market and promote the development of international trade. Personal protective equipment sports eye and face protection ski goggles

1 Scope

This document specifies the requirements and tests for ski goggles (hereinafter referred to as "ski goggles") in personal protective equipment, eye and face protective gear method. This document applies to ski goggles used in ski sports. This document does not apply to sunglasses, eye-correcting goggles and goggles for snowmobiles.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 2410-2008 Determination of light transmittance and haze of transparent plastics GB 13511.1-2011 Matched glasses Part 1.Single vision and multifocal GB 13511.2-2011 Matching glasses Part 2.Gradual focus GB 14866 Technical Requirements for Personal Eye Protectors GB/T 32166.2-2015 Personal protective equipment Eye and face protection Occupational eye and face protection Part 2.Measurement method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Design reference point One or more points specified by the manufacturer on the finished surface of the lens blank or on the front surface of the lens. Note. The design specifications apply to these points. The technical parameters may only apply to the lens at the wearing position --- for example, when the lens is added with a prism to compensate for the face angle Degree time. 3.2 Reference points (for measurement) referencepoints (fortesting) (Unpacked lens covering both eyes) A point on the lens specified by the manufacturer. Note 1.The design reference point, and in the designated optical axis relative to the measuring instrument. Without any specific instructions, measure the reference point R to the bottom of the lens The distance to the top tangent is equal, and it is located on the symmetrical vertical dividing line of the two lenses. The pupil distance is the middle of the two R points. The pupil distance of the head model is shown in Figure 1. Note 2.Generally, the values of refractive power and prism power measured on the surface of the lens may be different from the values measured in the specified direction relative to the line of sight of the eye. This is caused by The angle of the incident light rays passing through the lens may be different. ......

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