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...
In discussing what material is good for the frame, and whether only the frame can be replaced after the glasses are damaged, we first need to understand the characteristics of the frame of differen...
When discussing the question of whether sunglasses are better polarized or unpolarized, we first need to clarify the core differences between the two and their applicability in different scenarios....
When discussing the topic of how to distinguish polarized sunglasses from ordinary sunglasses, we first need to identify the core differences between the two. Polarized sunglasses, as the name sugg...
What precautions should be taken when choosing a frame? With the vigorous development of the eyewear industry, more and more materials are applied to the frame. After all, the frame is worn on the ...
Wenzhou is one of the most prominent cities. Wenzhou is regarded as the “Optical Capital of China” and has a large number of wholesale markets that can meet the global demand for glasse...
