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Test item optical performance: Test the optical performance parameters of the film, such as transmittance, reflectivity, and optical polarization effect, to ensure that the film has good transmittance and protective effect. Anti blue light performance: Test the protective effect of the film on the blue light band (400nm-500nm) to ensure that the film can effectively reduce the damage to the eyes caused by blue light. Hand evaluation: Test the tactile and sliding properties of the film to ensure its comfort and convenience during use. Durability: Test the wear resistance, corrosion resistance, and high temperature resistance of the film to ensure its durability and stability during use. Safety: Test the membrane for harmful substances, compliance with environmental requirements, and compliance with national safety standards. Detection range Hardened film: Hardened film is a type of tempered film that has good scratch and impact resistance, while also effectively reducing the harm of blue light to the eyes. Vacuum coating: Vacuum coating can achieve anti blue light effect by coating a layer of transparent metal material on the surface of the film. Filter film: The filter film adopts the principle of a filter lens, which reduces the influence of blue light by selectively absorbing and reflecting light. Biobased polymer material membrane: Biobased polymer material membrane uses natural polymer materials, which have good biocompatibility and environmental performance, while also effectively preventing damage from blue light. Relevant reference standard specifications CEI 34-141-2014: Application of International Electrotechnical Commission 62471 to evaluate the harm of blue light to light sources and luminaires 5 GB/T 23595.1-2009: Test methods for rare earth yellow fluorescent powder for white light LED lamps Part 1: Determination of spectral performance GB/T 23595.1-2009: Test methods for rare earth yellow fluorescent powder for white light LED lamps Part 1: Determination of spectral performance GB/T 38120-2019: Technical requirements for the application of blue light protective films for light health and light safety T/CIES 011-2019: Safety requirements for single ended fluorescent lamps T/CVIA 61-2017: Health display devices Part 1: Technical requirements and testing methods for low blue light display devices for mobile terminals T/CVIA 62-2017: Health display devices Part 2: Technical requirements and testing methods for low blue light display devices for displays Function of testing report:1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report 2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems100% inspection and testing process:1. Telephone communication and confirmation of requirements 2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:1. The testing industry is fully covered, meeting different testing needs 2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate 4. Free initial testing, with no testing fees charged 5. Self service order delivery for free on-site sampling 6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China
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