1. Lightweight: Fiber propionate is lightweight and thin, making fiber propionate frames more convenient and comfortable compared to frames made of other materials.
2. Durable: Fiber propionate is highly durable and elastic, resistant to deformation and swelling due to moisture, primarily due to its high chemical stability.
3. Hypoallergenic: Fiber propionate is minimally irritating to the skin in direct contact and is less likely to cause allergic reactions, making it suitable for people with allergies.
4. Versatile Colors: Fiber propionate is easy to process, offering not only high light transmittance but also customizable colors, providing a wide range of options.
