These glasses feature a TR-90 mirror-finish frame that combines lightweight aesthetics with durable alloy temples, striking a balance between "lightweight design" and "practical performance." They not only meet the demand for a stylish frame appearance but also cater to the diverse needs of daily wear, making them an ideal choice that merges fashion and functionality.
TR-90 Mirror-Finish Frame: The "Aesthetic Star" with a Lightweight Feel
TR-90 is a high-performance thermoplastic that, after special mirror-finish treatment, exhibits a high-gloss metallic look while retaining the core advantages of the material:
Extremely Lightweight, Pressure-Free Wear: With a density of only about 1.18 g/cm³, it is over 50% lighter than alloy frames. The entire frame weighs between 8-12 grams, ensuring no pressure on the nose bridge or ears even after long-term wear. No noticeable marks are left even after 8 hours of continuous use.
Mirror-Finish Texture, Versatile Styles: Through electroplating or coating processes, it can achieve a variety of mirror-finish colors such as glossy black, silver, and champagne gold. Under light refraction, it exudes a premium feel and easily complements minimalist, lightweight luxury, retro, and other styles, serving as the "highlight" of any look.
Flexible and Durable, Resistant to Deformation: TR-90 boasts excellent elastic memory, allowing the frame to quickly rebound and restore its shape after being squeezed or impacted. It is less prone to breaking or permanent deformation, making it far more durable than ordinary plastic frames.
Alloy Temples: The "Performance Backbone" for Stability and Durability
Alloy temples (typically made of copper-nickel alloy, nickel-titanium alloy, etc.) provide structural support and durability, compensating for TR-90's slight lack of rigidity:
Sufficient Strength, Stable Support: The hardness of alloys exceeds that of TR-90, enabling the temples to stably support the frame and lenses. Even with mid-to-high prescription lenses (within 400 degrees), the frame won't sag or slip due to the weight of the lenses.
Customizable Fit, Adapts to Face Shape: The excellent malleability of alloys allows the temples to be slightly adjusted to fit the contours of the face closely. This ensures the glasses remain secure during activities or sudden head movements, preventing any slipping mishaps.
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