Does the material of sunglasses choose good glass or plastic?
Glass materials of high hardness, not prone to scratches, shock resistance is poor, after the impact of easily broken, and the weight is relatively heavy.
Now, the most common use of sunglasses is resin lenses. The resin is a phenolic structure of chemicals, characterized by its light, high temperature resistance, impact resistance, and the ability to effectively block ultraviolet light. It should be said that this is a more excellent sunglasses, lens materials, polarized lenses made of this material will see more clearly.
There is almost no plastic for sun lenses, so it is better to use resin materials.Sunglasses are mainly made of two kinds of glass material and resin material.
