Sunglasses Testing
Service background
Nowadays, sunglasses are used more and more widely. Wearing sunglasses has become a fashionable landscape, but wearing bad sunglasses will directly hurt the eyes. In addition to focusing on styles and trends, consumers are increasingly paying attention to the functionality and safety of sunglasses. Many countries around the world have also formulated strict standards for sunglasses. GTTC provides comprehensive sunglasses testing services to help your products meet the requirements of different national standards and win market competitive advantages.
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Message consultationScope of testing
Light tint sunglasses, general purpose sunglasses, sunglasses for special purposes (for seaside, snow, alpine or desert environments).
Main testing items
Astigmatic power, Resistance to solar radiation, Transmittance requirements for photochromic lens, Difference between the spherical powers of both sides, Impact resistance property, Luminous transmittance requirement of Polarizing filters and sunglasses, Prismatic power, Resistance to ignition, Requirements for claimed transmittance, Prism imbalance, Abrasion resistance, Endurance, Luminous transmittance, Resistance to perspiration, Bridge deformation and lens retention characteristics, Ultraviolet spectral transmittance, Coating layer adhesion, Uniformity of the luminous transmittance, Nickel release, Wide angle scattering, Local variations in refractive power, etc.
Sample requirements
Generally 2~15 pairs of glasses. Please refer to the guidance of customer service personnel for details. Please confirm with customer service before samples are sent for inspection.
Testing period
Routine:5 working days, and it takes 9 working days to test the nickel release. If urgent, please contact customer service.
Service process
Click“"service process" ”to view detailed instructions.
