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Eyeglass Frame Materials-

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Eyeglasses frames can be made from a huge variety of materials. While most of them falls into the categories of plastic and metal, there are always some exceptions that can be classified as unusual frame materials. Because each type has its own unique strengths and drawbacks, it’s important to know something about them when shopping for new eyeglasses. However, you can always ask your optician for advice if you are not familiar with different materials. When you are seeking help from your optician, ultimately what you want to know include variety in colors, durability, lightness, favorite brands, hypoallergenic materials, uniqueness and price.

Plastic

First up is Zyl, an extremely light weight and cost-effective material for eyewear. Among the many types of frames made from Zyl, laminated zyl frames that have layered colors are particularly popular right now. Then, there is cellulose acetate propionate, a nylon-based plastic that is hypoallergenic. Being extremely lightweight and having more transparency and gloss than other plastics, propionate is definitely your choice if your main criterion for a frame is lightness. Besides those two, there is the nylon. First introduced in the late 1940s, nylon has gone a long way. Because of brittleness and other problems, it has been switched to blended nylon (polyamides, co-polyamides and gliamides) by eyewear manufacturers throughout the history. Today’s blended nylon frames are both strong and lightweight.

Plastic frames do have some drawbacks. Compared with metal frames, they are easier to break. Aging and exposure to sunlight can decrease their strength slightly, and color can fade over time.

Metal

Having been used for everything from the Gemini and Apollo space capsules to medical implants such as heart valves, titanium is a silver-gray metal that’s lightweight, durable, strong and corrosion-resistant. Titanium eyewear can be produced in a variety of colors for a clean, modern look and they’re hypoallergenic. A lower-cost alternative to titanium is Beryllium, a steel-gray metal material. It’s also corrosion resistant, making it an excellent choice for wearers who have high skin acidity or need to spend a good amount of time in or around salt water. Another alternative to titanium is stainless steel, which is lightweight, low toxic and fairly strong. Frames made from Stainless steel are readily available and reasonably priced, a wonderful choice for anyone.
metal eyeglassesmetal eyeglasses

Originated by the eyeglass manufacturer Marchon and called by many people “memory metal”, Flexon is a unique and popular material. It is a titanium-based alloy. Frames made of it can come back into shape even after twisting, bending and crushing, making them the ideal option for children who often can be careless with dealing with their eyeglasses or anyone who seek a strong and durable pair of frames.

Unusual Frame Materials

Besides plastic and metal, frames can by made from just about anything you can think of, and those you can’t think of. If you want a distinctive style and are willing to pay for it? You may want to check out frame made of wood, bone, buffalo horn, leather or even semi-precious or precious stones. Frames made of these materials may be expensive, but with their unique beauty and fashionable look, they are worth every penny that you pay. Besides, paying a load for something unique and beautiful, isn’t that just what you are looking for?

Read more: http://www.articlesbase.com/vision-articles/an-introduction-of-eyeglasses-frame-materials-5139427.html#ixzz1ZIswzJ2D
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