How to choose the frame material？
Frame plays an important role in glasses, which supports the lenses. Good frames not only influence the appearance but(also) the comfort of wearers. The unsuitable frame will cause dizzy or eyes discomfort. You need to learn about the material and features of glasses frame before choosing your right frame.
Here are something about frame material you may need to know:
- Modern Metal Frame Material
The metal frame that is more prevalent is the titanium frame and titanium alloy frame. The titanium frame is 48% lighter than an ordinary metal frame. It features high strength, anti-acid and alkali resistance, corrosion resistance, high stability, and good elasticity. It is suitable for ergonomics. In addition, titanium is non-toxic to the human body, without any radiation. Besides, titanium alloy is a material widely used in artificial bones.
- Nickel-copper Alloy
In nickel-copper alloys, the nickel content reaches about 63% and 28% of that of copper. In addition, there are a few other metals such as iron, manganese, etc. Frame characteristics: corrosion resistance, high strength, solderability.
- Copper-zinc Alloy
The main components are copper 64%, zinc 18%, nickel 18%. It is the cheapest frame material which is easy to be processed and electroplated. Copper-zinc alloy is mainly used for manufacturing hinge bracket, small parts, and the most affordable frames.
- Plastic Frame Material
Acetate is a new type of plastic, heavy and hard, not easy to be deformed, but easy to be corroded by sweat. Frame characteristics: high strength, precision, high quality, durable.
Originally, the tortoiseshell frame was made of the tortoiseshell in the tropical ocean. It is mainly produced in the West Indies. It is a relatively high-end product for a certain minority, since the hawksbill is beneficial to the human body, so it is particularly expensive. But the hawksbill is protected animal, now the tortoiseshell frames are all made of acetate or other materials.
TR90 is a kind of polymer material. Frame characteristics: harmless to the human body, wear-resistant and high toughness, lighter than ordinary Acetate, which can reduce the pressure of nose bridge.
Utem is also a high strength molecular material. The characteristics of utem: lighter than TR90. Its corrosion resistance and strength are better than TR90, too. But it is brittle at low temperatures.
- Synthetic resin
It can be roughly divided into two categories: thermoplasticity and thermosetting resins. There are usually acetic acid fiber, propionic acid fiber, epoxy resin, carbon fiber, nylon, and others. Frame features fit skin, increases comfort and ensures safety.
For consumers, the frame must be durable, safe and lightweight. Most of these characteristics are determined by the material of the frames. At present, there are many kinds of frame materials on the market, and each kind of frame material has two sides. Therefore, consumers need to choose a suitable frame according to their actual situation and preferences.
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