What are the materials often used in sunglasses frames

u003cbru003eSummer is here, of course you have to wear a pair of beautiful glasses.com/sunglasses-1.html' target='_blank'>sunglasses when you go out! It can not only be used as an ornament, improve the appearance, but also block harmful rays such as ultraviolet rays, reduce glare, and effectively protect the eyes from harm. It is really a must-have product for travel. I believe that many people now have a pair of sunglasses, so do you know what materials you often use for your sunglasses frames? Recommended reading: Summer strikes, are you still struggling with the classification of sunglasses? 1. Cellulose propionate resin: referred to as CP material, with appropriate elasticity and toughness; it can be dissolved in solvents, so this material should avoid contact with organic solvents such as acetone and banana water; CP material is not easy to oxidize and decompose in the atmosphere , Aging, not easy to burn, and its plasticity and fluidity are good, so the processing and coloring methods are diverse, which can make rich and changeable colors. Based on the stability of CP material. 2. Polycarbonate: referred to as PC material, specific gravity 1.2, non-combustible, odorless and non-toxic resin, in line with FDA and US Drug Administration regulations, and its characteristics are the same as PC lenses. 3. Epoxy resin: also known as EP plastic, good temperature resistance, 30% lighter than ordinary plastic, high strength, high hardness, good elasticity and can be made into thin and light spectacle frames. At the same time, it has a special memory function, so it is also called memory plastic. It is often used to make high-end spectacle frames and mirror feet. 4. Manganese-nickel alloy: an alloy with manganese and nickel as the main alloying elements. Manganese-nickel alloy has good mechanical strength and corrosion resistance. 5. TR-90 material (super tough memory resin material imported from Switzerland): super toughness: prevent the frame from deforming or even breaking during exercise, and protect the face from harm. Memory function: special memory function, anti-deformation index up to 620kg/cm2. Lightweight: TR-90, which is 30% lighter than the plate, can effectively reduce the weight of the glasses and make wearing more comfortable. Impact resistance: It can effectively resist the impact of external force and is more than two parts of the plate. 6. Aluminum-magnesium alloy material: lightweight, environmentally friendly and durable. This material is now widely used in high-tech products such as mobile phones and laptop computers. 7. Titanium material: During the heating process of titanium metal, when the temperature exceeds 860 degrees, its molecular structure will change to form beta titanium. The density structure of β titanium is better than that of titanium metal, so it has better elasticity than titanium metal, and its price is 3 times that of titanium metal! Because the hardness is higher than that of titanium metal, it is more difficult and cumbersome than titanium metal in the technical processing process. What material are your sunglasses frames made of? Which material do you like? If you don’t have sunglasses yet, go buy one, so that the summer sun will no longer be dazzling! Related reading: trendy sunglasses sunglasses

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