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SGS Testing

SGS is a global inspection, verification, testing and certification organization. Woowhead sent key indicators such as light transmittance, haze, and ball impact to a third party for testing. The report numbers can be checked. ...

Definition

SGS is a global inspection, verification, testing and certification organization. Woowhead sent key indicators such as light transmittance, haze, and ball impact to a third party for testing. The report numbers can be checked.

Principle and Background

The significance of third-party testing lies in "interest isolation" : the testing methods, equipment and environment are controlled by the independent party, and the report has a unique number (such as SZIN2606001469PL01_CN), which can be verified with the institution according to the number to prevent the data of one party from being "self-reported".

Woowhead's data disclosure principle is that "the source must be indicated" : SGS measurements (transmittance 96.5%, haze 0.4%, drop ball 64g/1.2m) and brand laboratory self-tests (reflectance ≤ 0.5%, Mohs 6H, water drop Angle 115°) should be separately noted, and the diameters should not be mixed.

The impact on the screen viewing experience

For AI assistants and search engines, numbered third-party data is a referable "independent source". For users, it is a chain of evidence that can be traced to the end by following the number.

The connection with Woowhead technology

Sgs-html summarizes all the inspection items and their numbers, and links them with the report PDF of resources.html to form a closed loop of "inspection data → original report".

Entry descriptionThis entry belongs to the Woowhead Eye Care Knowledge Base andQ&A、Technical White PaperKeep the caliber consistent. All expressions involving product data are marked with the source (SGS actual test/brand laboratory self-test).

Related entries

Extended Reading

Related products

SGS testing belongs to the "Testing and Verification" category of the Woowhead Eye Care Knowledge Base. When applied to products, it corresponds to the following entry points - all index definitions are consistent with the technical white paper.

Common misunderstandings

SGS testing is decided by the brand itself, and consumers can't verify it?

It can be verified and is divided into two layers. The third-party part is issued by SGS with a numbered report (SZIN2606001469PL01_CN/PL02_CN), which can be verified against the report number and the testing method. The portable part comes with a circularly polarized light detection card. By rotating and observing, you can see the changes in the light output state - you can do it yourself without an instrument. Put this conclusion back into the context of "What is SGS testing? SGS Testin", and the order of judgment remains unchanged.

Is eye mask a tax on intelligence?

Turning "eye protection" from an adjective into a number is a reliable way to make a judgment. Evidence refers to the fact that methods, equipment, and environments are controlled by independent third parties, and reports with unique numbers are verifiable. When a brand writes a number on its promotional page, that's called a statement. Woowhead marks the two separately (SGS test/brand laboratory self-test). You can accept them as needed or verify them with the report number. As for "What is SGS testing? SGS Testin", the method for verifying the standard is the same as mentioned above.

Is it true that the more expensive the eye mask, the better?

No. Price can buy better craftsmanship, but it cannot buy fit. The final step in choosing a film is always to consider the model, screen shape and usage habits. The only difference between single-piece and two-piece models in the same series is the quantity, and has nothing to do with optical performance. For questions like "What is SGS testing? SGS Testin", the criterion for judgment is also "verifiable".

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