I do PA, PC, PP and other plastic raw materials can be used in the eye frame and lens it
In general, the lenses of PC need to be covered with scratch resistant protective films, which will be sufficient for better aging, and most lenses for children.
There are PC lensesThe PC material is more impact resistant than polymer resin, often used in aviation equipment transparent windows, police on the mask, and the astronaut's helmet mask, it is only about 1/10 the weight of glass, resin lenses compared with traditional is only half of the weight.
PC lenses also have an important feature, that is, PC lenses have the effect of isolating harmful ultraviolet rays, but their disadvantages also include surface scratching easily.
