The TR90 spectacle frame has a lubricating surface with a density of 1.14-1.15. It will float when placed in salt water. It is lighter than other plastic spectacle frames. It is about half the weight of the sheet frame and 85% of the nylon material. It can reduce the burden on the bridge of the nose and ears. It is suitable for teenagers.It is abrasion-resistant, chemical-resistant, solvent-resistant, weather-resistant, non-flammable, and resistant to high temperatures.

Moreover, it is a memory polymer material, which is not easy to deform. Because the TR90 material spectacle frame has high elasticity, strong toughness, is not easy to break, strong, and does not break, it has sports safety.

And it is very resistant to impact: more than twice that of nylon material,to effectively prevent damage to the eyes due to impact during sports. No chemical residues are released, the material of TR90 is much more expensive than other PC , cp and other spectacle frame materials, and the production process is stricter, so the price of TR90 frame is more expensive than others.