What is the TR90 frame Tr-90 (plastic titanium) is a kind of polymer material with memory, which is the most popular super light spectacle frame material in the world at present. It has the characteristics of super toughness, resistance to collision and abrasion, low friction coefficient, and can effectively prevent damage to eyes and face caused by breakage and friction of spectacle frame during sports. Due to its specific molecular structure, good chemical resistance, in the high temperature environment is not easy to deformation, short time can withstand 350 degrees high temperature, not easy to melt and combustion. No release of chemical residues, in line with European requirements for food grade materials. Let's take a look at the advantages of TR90 glasses compared with other glasses provided by eyeglasses website.
First, compared with the nylon frame, the tr-90 frame has the following features: 1. Light weight: about half of the weight of the plate frame, 85% of the weight of the nylon frame, reducing the burden on the nose and ears, making wearing lighter and more comfortable. 2, colorful: more colorful than ordinary plastic glasses frame outstanding. 3, impact resistance: nylon material frame more than 2 times, ISO180/IC: > 125kg/m2 elasticity to effectively prevent eye damage due to impact during exercise. 4. High temperature resistance: 350 ° c high temperature within a short time, ISO527: deformation resistance index 620kg/cm2. Not easy to melt and burn. The frame is not easy to deform or change color, which makes the frame wear longer. 5. Safety: no release of chemical residues, in line with European requirements for food-grade materials. Secondly, the material of TR90 is much more expensive than other PC, cp and other spectacle frame materials, and the production process is also quite strict, so the price of TR90 spectacle frame is several times more expensive than other materials. TR90 glasses frame surface lubrication, density 1.14-1.15, when placed in saline will float, light than other plastic frames, about half of the weight of the plate frame, is 85% of nylon material, can reduce the bridge of the nose, ear burden, suitable for youth use. It is very wear-resisting, good chemical resistance, solvent resistance, climate resistance, not easy to burn, high temperature resistance. Moreover, it is a memory polymer material with an anti-deformation index of 620kg/cm2 and is not easy to change. Because TR90 material glasses frame elastic, strong toughness, not easy to break, strength, do not break, so it has sports safety. And it is resistant to impact: more than 2 times of nylon material, ISO180/IC: 125kg/m2 elasticity to effectively prevent eye damage due to impact during exercise. No release of chemical residues, in line with European requirements for food grade materials
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