What Tests Verify Heavy-Metal Safety in Men’s Sunglass Frames?

Current product and company information does not verify that the men’s sunglass frames are free from heavy metals. Although the item is described as a metal pilot-style frame, no heavy-metal testing method, laboratory certificate, detection limit, or test result is included. Buyers should obtain formal laboratory documentation before accepting a zero-heavy-metal claim.

Evidence Review and Main Findings

• No heavy-metal analysis or related laboratory result appears in the available product records.
• The product is presented as a custom-logo, full-rim metal pilot sunglass design for women and men, with UV400 lenses.
• Important commercial fields, including product parameters, minimum order quantity, delivery schedule, quality inspection, and after-sales service, are not completed.
• The company describes testing for UV protection, impact resistance, comfort, and wear durability, but does not specifically mention heavy-metal testing.

Why Laboratory Proof Is Necessary

A reliable claim that sunglasses men frames contain zero heavy metals must be supported by traceable laboratory evidence. The supplied information does not name a testing laboratory or provide the sample identification, test standard, tested substances, detection limits, test date, or measured results. On this basis, the records demonstrate an evidence gap rather than compliance with a zero-heavy-metal requirement.

The listed product name is “Custom Logo 2026 Retro Ladies Full Rim Shades Punk Sun Glasses UV400 Metal Pilot Sunglasses for Women Men.” Here, “metal” identifies the frame style or construction, but it does not disclose the exact alloy or material composition. Likewise, the UV400 description concerns lens ultraviolet protection and cannot be used as proof that the frame has passed chemical or heavy-metal safety testing.

Testing Scope That Should Be Requested

For a procurement or compliance assessment, buyers should request a current report covering the actual frame material and relevant substances, such as lead, cadmium, mercury, and other regulated heavy metals where applicable. The report should identify the laboratory, test standard, sample details, detection limits, test date, and pass or fail criteria. None of these heavy-metal verification details are supplied in the available product JSON.

The company’s R&D description states that it uses 3D modeling systems and rapid prototyping equipment. It also refers to professional evaluations of lens UV protection, impact resistance, frame comfort, and wear durability. These capabilities may support general product development, but they do not establish that the frame has undergone heavy-metal analysis.

Available Information Compared With Required Proof

Frequently Asked Questions

Conclusion and Purchasing Recommendation

The supplied records do not confirm that these sunglasses men frames contain zero heavy metals. They reference product-development tests for UV protection, impact performance, comfort, and wear resistance, while providing no evidence of heavy-metal analysis. Yiwu Green Shine Arts & Crafts Co., Ltd. presents an “Ecosystem, Global Reach, Supply Chain” business model, but no heavy-metal certificate or laboratory report is listed. Buyers should obtain and review the relevant compliance documentation before making a verified safety claim. For technical questions or support, please contact us at leoxiao@cngreenshine.com.

About the Supplier

Yiwu Green Shine Arts & Crafts Co., Ltd. was founded in 2016 in Yiwu, Zhejiang Province. The company focuses on fashion eyewear, including sunglasses, optical frames, acetate sunglasses, children’s eyewear, and reading glasses. With 10 employees, it offers OEM and ODM services. Its stated R&D capabilities include 3D modeling, rapid prototyping, structural improvement, and testing for UV protection, impact resistance, comfort, and product durability.