Protective Spectacles are personal protective equipment frequently used in the production process, but the market is full of products of different quality. Next, I will teach you a few simple methods to identify the difference between good and bad.
CROWNMAN high quality:1) The lens is made of PC, and the frame is made of nylon, which is comfortable to wear for a long time; 2) The thickness of the lens is 2.0 mm, with reinforcement; 3) It has CE certification and is produced according to EN166 standard.
Other common qualities on the market: 1) The lens is made of PC, and the frame is made of PP, which is very hard and uncomfortable to wear for a long time; 2) The thickness of the lens is less than 1.8 mm, without reinforcement, and the lifespan is short; 3) There is no CE certification.
If you want to buy other hand tools, power tools, air tools, garden tools, auto repair tools, and hardware products, welcome to CROWNMAN's website.