Protective glasses are glasses that play a special protective role, and glasses used in different occasions have different requirements, such as hospitals Surgical glasses for welding, welding glasses for electric welding, laser protective glasses for laser engraving, etc. Protective glasses are mainly used to prevent the eyes and face from being exposed to electromagnetic waves such as ultraviolet rays, infrared rays and microwaves, dust, smoke, metal and gravel fragments, and chemical solution sputtering.
In the process of industrial production, the eyes will suffer a lot of damage, so safety glasses are very important. Today, the editor will share with you some little knowledge about protective glasses.
1. What is the function of protective glasses? 1. Anti-solid breakage: This function is mainly Embodied in industrial production, resulting in metal or gravel fragments. The spectacle lenses and spectacle frames are cured, and a cover is installed around the spectacle frame to provide ventilation holes to prevent the eyes from being hurt by hard objects such as metal or gravel chips. 2. Anti-chemical solution. This function is mainly to prevent the damage of corrosive solution to the eyes. The protective glasses with this function generally use ordinary flat lenses, and then cover them around the frame to prevent the solution from splashing. 3. Radiation protection: This should be regarded as a common function of protective glasses. This function is mainly used to prevent excessive ultraviolet rays from damaging the eyes. Therefore, for protective glasses with this function, the lenses generally choose special glass that can reflect or absorb radiation.
2. Precautions for using safety glasses: 1. safety glasses< The lenses of /strong> need to be products that have passed the inspection of the product inspection agency; 2. When choosing protective glasses, be sure to choose the width and size according to your face shape; 3. If the lenses of the protective glasses are rough and the frame is damaged, they should be replaced in time to avoid Affect the user's vision; 4. Protective glasses should be specially used to prevent eye diseases; 5. The filter and protective sheet of protective glasses need to be selected and replaced according to the requirements of the specified operation; 6. When using protective glasses, heavy objects should be prevented from falling Contact the lens with a hard object.
3. How to maintain and clean the protective glasses: 1. Placement method: If you put down the glasses temporarily, put the glasses The convex side faces up, because if the convex side faces down, it is easy to wear the lens. 2. The method of wiping the lens: To clean the lens of the protective glasses, a professional lens cleaning cloth should be used. And when wiping, first hold the frame with your hand, and then wipe the lens frequently. Remember not to use too much force as this may damage the frame or lenses. 3. How to clean the lens: If the lens is stained with dust or dirt, it should be cleaned. Rinse with clean water first, then blot dry with paper towels, and then dry with professional lens cloth. If the lens is very dirty, it is recommended to wash it with a low-concentration neutral lotion, then rinse it with water and dry it. 4. How to store protective glasses: If you don't wear protective glasses for a long time, you should wrap them and put them in the glasses box. At the same time, when storing glasses, keep them away from corrosive substances to avoid deterioration, deterioration, and discoloration of lenses and frames.