中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

Hotline:400-880-1556

English




basic introduction

Protective eyewear is a kind of glasses with special functions, and the glasses with different needs in different occasions are used. There are many types of protective glasses, including dust-proof glasses, impact-proof glasses, chemical-resistant glasses, and anti-light radiation glasses. Protective glasses, also known as labor protection glasses, are divided into safety glasses and protective masks. Their role is to protect the eyes and face from the radiation of ultraviolet, infrared and microwave waves, dust, smoke, metal and sand debris, and chemical solutions. Sputtering damage. Because it is related to the health and safety of human life, the detection of goggles is particularly important.

Goggles testing standard: GB14866: 2006

GB14866: 2006 "Technical requirements for personal eye protectors"

This standard specifies the classification structure, specifications, materials, technical requirements, test methods, inspection rules, packaging and transportation of eye and face protectors.

This standard applies to the research, design, production, use and inspection of eye and face protectors.

Goggles GB14866 test project

1. Eyes and face protection equipments for eye and face protection

Protective equipment against electromagnetic waves, chemical substances, metal sparks, flying debris, and dust that can damage your eyes and face (including neck).

2. Cover for eye protection

Eye protectors with single or double lenses are installed in the headband frame.

3. Protective glasses spectacles for protection

Eye protectors with various eye protection lenses are installed in the frame of the spectacle frame.

4. Protective face mask

Various protective gears covering the face (including neck).

5. Protective optics

Various light-transmitting components that protect the eyes from harmful factors.

6. Optical horizontal reference length

The length of the center horizontal reference line between the top and bottom of the lens.

7. Optical vertical height

The length of the center line perpendicular to the horizontal reference line of the lens.

8. Optical central scope

Area within 5mm from the edge of the lens.

9, focal power

The quantity that characterizes the optical system's ability to converge or diverge light. The value is the reciprocal of the distance from the back vertex of the lens to the focal point. Unit: Diopter (D).

10. Parallelism (also called prism degree) depth of parallelism The degree of deflection of the light beam through the lens. Unit: cm / m, symbol: △.

11. Protective cover

The transparent lens is placed in front of the filter to protect the filter from external scratches and loss of metal slag.

12. Side guard

Curved or flat parts are attached to the spectacle frame to prevent harmful factors from the side to the eyes.

13. Filter

Lenses used to reduce harmful infrared rays, ultraviolet rays, dazzling visible light and other radiation to standard levels (generally have a fixed color).

Goggles GB14866 test process

1. Project application——submit an application for quality inspection report to ZRLK inspection and supervision.

2. Document preparation-According to the requirements of GB14866, the enterprise prepares relevant certification documents.

3. Product testing-the enterprise sends the samples to be tested to the laboratory for testing.

4. Preparation of reports-Certified engineers prepare reports based on qualified test data.

5. Submit the audit-the engineer will review the complete report.

6. Issuing the certificate-after the report is verified, the quality inspection report will be issued.


Online consultation

Online consultation

Recommend
  • Brazil ANATEL Certification

    Brazil ANATEL Certification

    ANATEL certification is a mandatory certification for telecommunications equipment or related equipment by the Brazilian National Telecommunications Administration (Agência Nacional de Telecomunica??es), including wireless communication equipment, wired communication equipment and related auxiliary equipment; this certification ensures that telecommunications equipment sold in the Brazilian market meets Brazil\'s technical standards and regulatory requirements, and guarantees the product\'s quality requirements such as radio frequency, electrical safety, electromagnetic compatibility, and electromagnetic exposure. If the product entering Brazil does not complete ANATEL certification, it may face fines, seizures, and other penalties.

  • COC certification in Algeria

    COC certification in Algeria

    COC certification in Algeria is a mandatory certification for products exported to Algeria, ensuring that the products comply with the country\'s safety, quality, and technical standards. The certification process includes document review, product testing, and factory inspection. Products that pass certification can be legally sold in the local market, protecting consumer interests and promoting fair trade.

  • Saudi Arabia GCC Certification

    Saudi Arabia GCC Certification

    GCC certification is the abbreviation for Gulf Cooperation Council certification, which is a mandatory certification requirement for products entering the market in Saudi Arabia and other countries in the Gulf region.

Goggles testing and certification

Protective eyewear is a kind of glasses with special functions, and the glasses with different needs in different occasions are used. There are many types of protective glasses, including dust-proof glasses, impact-proof glasses, chemical-resistant glasses, and anti-light radiation glasses.

Get a quote
韩国三级中文字幕HD久久精品| 精品人妻人人做人人爽夜夜爽| 免费精品国产自产拍在线观看图片| 香蕉久久夜色精品升级完成| 五月香丁激情欧美啪啪| 超碰97久久国产精品牛牛| 国产成年无码AV片在线韩国 | 99精品国产在热久久无码| 乌克兰少妇videos高潮 | 激情人妻另类人妻伦| 尤物网址在线观看| 日本韩国男男作爱gaywww| 日韩精品真人荷官无码| 出租屋勾搭老熟妇啪啪| 国产性生大片免费观看性| 精品一区二区三区在线播放视频| 久久久久久久99精品国产片| 亚洲av日韩精品久久久久久久| 国产精品萌白酱永久在线观看| 国产成 人 综合 亚洲网站| 日韩精品成人99一区无码| 青青在线精品| 四虎永久在线观看免费网站网址 | 少妇愉情理伦片丰满丰满| 波多野结衣无内裤护士| 美丽的姑娘免费视频观看全集高清| 中文区中文字幕免费看| 国模吧无码一区二区三区| 亚洲乱码日产精品bd在线观看| 欧美人与动牲交a精品| 日日摸日日碰人妻无码| 日本乱子人伦在线视频| 亚洲av成人无遮挡网站在线观看| 久久成人毛片| 午夜激情视频无码| 亚洲中文精品久久久久久| 国产亚洲精品精品精品| 国产啪精品视频网站免费| 14萝自慰专用网站| 精品三级av无码一区| 亚洲精品电影院|