With the continuous recovery of the global economy and the continuous changes in consumption concepts, eyeglasses are no longer just a tool to adjust vision. Sunglasses have become an importan...
What is cellulose acetate?
Cellulose acetate refers to a thermoplastic resin obtained by esterification with acetic acid as a solvent and acetic anhydride as an acetylating agent under the action o...
Choose the right sunglasses
Uv protection: To ensure that sunglasses can effectively block ultraviolet light, the label is usually marked with UV400 and other signs, indicating that it can block mo...
Metal material
Titanium alloy
Features: It has the advantages of light weight, high strength, corrosion resistance, not easy to deformation, and small irritation to the skin, suitable for long-term...
Sunglass is a kind of eyesight health care articles for preventing the strong stimulation of sunlight from causing harm to human eyes. With the improvement of people’s material and cultural l...
The color depth of sunglasses and eye protection ability is not a simple positive correlation, the following is the specific analysis:
Sun glasses color action principle
The color of sunglasses is ...
