A good pair of frames should be made of materials that are stable, safe, reliable, harmless to the skin, light in weight, strong and not deformed. For customers, they often choose from the practicality of the frame. If the glasses are worn for a long time, you can relax other conditions and choose a lighter…
Titanium eyeglass frames are middle and high-end consumer goods. In recent years, with the improvement of our people’s living standards, the domestic demand for titanium eyeglass frames has rapidly expanded. There have also been many manufacturers of titanium eyeglass frames in China, but their raw materials are still Rely on Japanese imports. Up to now,…
The natural materials used to make eyeglass frames include tortoiseshell, special wood, and animal head horns. Generally, wooden eyeglassses frames and horn frames are rare, and tortoiseshell eyeglassses frames are common. 1. Tortoiseshell frame It is a frame of eyeglassses made from tortoiseshell shells produced in the tropical sea, and is mainly produced in the…
1. Sheet rack Manufactured by cold processing, fine, good quality, durable, most of the non-metallic frames are made of carbon crystal frame made of sheet material: it is characterized by high strength, strong, but the material is relatively brittle, and it is easy to be impacted in winter. Brittle cracks, the way to distinguish the…
Plastic or resin Generally, the non-metallic materials used to make spectacle frames mainly use synthetic resin as raw materials, which are divided into two categories: thermoplastic and thermosetting resin. 1. Celluloid It is a material used to make glasses for a long time. It has been rare in the early 21st century. Celluloid has good…
Eyeglasses frames are required to have a certain degree of hardness, softness, elasticity, abrasion resistance, corrosion resistance, light weight, luster and good color and so on. Therefore, the metal materials used to make spectacle frames are almost all alloys or used after metal surface processing. 1. Pure titanium frame Titanium has a specific gravity of…
The metal materials used for eyeglasses frames are divided into three categories: copper alloys, nickel alloys and precious metals. 1. Cupronickel frame (copper-zinc alloy) The main components are copper 64%, zinc 18%, and nickel 18%. The frame material is the cheapest and easy to process. Electroplating is mainly used to make hinge brackets, small parts…
How many types of frames for eyeglasses? 1. Full frame: It is the most commonly used frame type. It is strong and easy to shape, and can cover a part of the thickness of the lens. 2. Nylon wire frame: a very thin nylon wire is used as part of the frame edge, and the…
How to identify the quality of sunglasses? Look at the appearance of the glasses first 1. Electroplating, baking varnish coating, plate surface polishing and other surface colors are uniform, without obvious blemishes, spots and scratches. 2. The printing, laser and engraving strokes of lenses and temples are clear and smooth, easy to identify, and not…
Sunglasses are a kind of vision care products to prevent the strong stimulation of sunlight from causing damage to the eyes. With the improvement of people’s material and cultural level, sunglasses can be used as special accessories for beauty or personal style. Our eyeballs (lens) are very easy to absorb ultraviolet rays. The damage of…
Why we need to wear sunglasses? Ophthalmologists suggest that sunglasses must be worn frequently to protect the eyes; this is because our eyeballs (lens) are very easy to absorb ultraviolet rays, and the damage of ultraviolet rays has two outstanding characteristics: 1. UV damage will accumulate. Because ultraviolet light is invisible light, it is difficult…
Quality standards of sunglasses The eyes are the same as the skin. If you are injured by strong ultraviolet rays, prolonged exposure to the sun will increase the risk of cataracts. Therefore, when choosing sunglasses, it is important to consider its UV function. The stronger the filtering function, the better the protection effect. Many people…
How to choose suitable sunglasses? Nowadays, sunglasses are no longer just for sun protection and eye protection. The correct choice of a popular sunglasses will definitely make people look extraordinarily fashionable. 1. The oval frame is also popular in the new year, with a knit front cardigan, and the handsome and comfortable dress is very…
Trendy sunglasses style The most popular sunglasses are plastic frames with oversized lenses. The lenses are best to be large enough to cover half of the face or the entire face. The lens is large enough to effectively block the sun and prevent ultraviolet radiation. Candy-colored plastic oversized sunglasses are the most star style and…
Choose sunglasses frame according to face shape Suitable sunglasses are like suitable shoes and bags, and are the best fashion statement. In the early 20th century, Hollywood celebrities first put on sunglasses to block the excessively bright lights of the studio. Later it became a must-have “weapon” when going out, driving the trend of sunglasses.…
Lens color Pink lens This is a very common color. It can absorb 95% of ultraviolet light, and some short-wavelength visible light. In fact, this function is similar to that of ordinary untinted lenses, which means that pink lenses will not have a greater protective effect than ordinary lenses. But for some people, it still…
The historical development of sunglasses In Europe in the 18th century, the industrial revolution had begun, and glass manufacturing and precision metal processing had become more and more perfect. At that time, the eyeglass manufacturers were mainly small workshops, using hand-made, and each eyeglasses had to be marked with the name of the manufacturer. Many…
