Pure Titanium Spectacle Frame Identification Strategy

Pure titanium spec frames are increasingly popular among spectacle consumers for their advantages of light weight, corrosion resistance, anti-allergy, anti-fatigue, and high strength. How do we identify pure titanium spectacle frames? The following editor will teach you some strategies for identifying true and false pure titanium spectacle frames:

1. Generally, the specific gravity of the alloy frame is about 8.9g/cm3, and the specific gravity of the pure titanium frame is about 4.5g/cm3. Since the weight of titanium material is equivalent to half of the alloy frame, it is lighter by hand. It's an easy way to tell from a weight standpoint, but it does take some experience.

2. The hinge combined with the pure titanium frame should not make direct contact between the parts at the hinge part, otherwise it is likely to cause wrinkles at the joint and poor opening and closing of the temples. Generally, two thin gaskets are inlaid on the hinge part of the pure titanium mirror to separate the upper and lower hinges. Therefore, checking whether there are gaskets at the hinge is also a good way to identify whether it is a pure titanium frame. Observing the hinge joint from the inside of the frame, you will find a small groove, which is specially designed to facilitate the removal of the gasket.

It is also worth noting that the welding of pure titanium materials is vacuum anaerobic butt welding, where the weld marks are in the shape of "steps", and the welding of alloy materials is spot welding, and the weld marks are in the shape of "slopes".

3. Magnetic response Loosen the hinge of the frame as much as possible, and use a magnet to attract it in a free state. If the temples shake under the attraction of the magnet, it means that the frame is not made of pure titanium, otherwise it means that the frame may be Pure titanium frame.

4. Viewing logo Titanium spectacle frames, according to the type of titanium used, are respectively engraved in abbreviated form on the frame, usually on the temples, as long as you pay attention, it is easy to distinguish. Generally speaking, pure titanium frames are marked with 100% TITANIUM or PURETITANIUM on the temples or lenses; Beta titanium frames are marked with BetaTitanium or β Titanium. Of course, different manufacturers will have slightly different ways of writing.

5. Reference price Pure titanium spectacle frames are made of special materials, so the price is generally more expensive than ordinary spectacle frames. Under normal circumstances, the market price of pure titanium spectacle frames is at least several hundred yuan.

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