Tr90 eyeglass frames

TR90 is a thermoplastic polyamide produced using Swiss technology. Its primary advantages include extreme lightness, which reduces the burden on the nose bridge and ears, and high flexibility (memory function), allowing the frames to bend under pressure and return to their original shape. Additionally, it is impact-resistant and heat-resistant, ensuring the frames do not deform in high-temperature environments or break easily during sports activities.

For international trade, buyers must ensure compliance with CE marking (EN ISO 12870) for the European market and FDA registration for the U.S. market. Since TR90 comes into direct contact with the skin, it is crucial to verify that the material is biocompatible and hypoallergenic. Requesting REACH or RoHS certificates is recommended to ensure the absence of harmful plasticizers or heavy metals.

Genuine TR90 has a lower density than PC, meaning it will float or sink much slower in specific solutions; it feels significantly lighter in hand. You should check for surface finish consistency—TR90 typically has a smoother, more lubricated texture. A key test is the flexibility recovery: TR90 will spring back instantly without white stress marks, whereas cheaper plastics may snap or show permanent deformation.

Suppliers on Made-in-China.com usually offer OEM/ODM services including custom logo printing (laser or silk-screen), a wide array of injection-molded colors, and surface treatments like matte, glossy, or rubberized oil finishes. Buyers can also request customized temple lengths or nose pad adjustments to fit specific regional facial structures (e.g., Asian fit vs. European fit).

The most significant risk is material substitution, where a supplier mixes TR90 with cheaper plastics to lower costs. To mitigate this, always request a pre-production sample and consider a third-party lab test for material purity. Another risk is mold precision issues, which can lead to asymmetrical frames; ensure the supplier uses high-precision injection molds.

Focus on tiered pricing based on volume; for TR90, price breaks often occur at 500, 1,000, and 5,000 units. Negotiate for spare parts (such as extra screws or nose pads) to be included at no cost. For long-term partnerships, aim for a 30% deposit and 70% balance payment after passing a pre-shipment inspection (PSI).

Eyeglass frames are lightweight but high-volume. To optimize costs, use protective bulk packaging (polybags) rather than individual retail boxes if you plan to repackage locally. For urgent seasonal launches, Air Freight is viable due to the low weight-to-value ratio, but for maximum economy, LCL (Less than Container Load) Sea Freight is preferred for orders exceeding 2,000 pieces.

Always conduct transactions through secured payment channels provided by reputable platforms like Made-in-China.com. Utilize their Audit Reports to verify the supplier's factory scale and production capacity. Never wire full payments to private bank accounts; always use the company’s registered corporate account verified by the platform.