Is a pure titanium frame the same as a titanium frame?
Titanium is widely used in the eyewear industry because it is not easy to deform, fade and has strong stability. The glasses frame made of titanium can highlight the noble taste and elegant temperament. The glasses frame made of titanium can be divided into pure titanium, titanium alloy, and beta-titanium frame three kinds. To learn about titanium frames, how to identify pure titanium frames?
Characteristics of titanium frames
Titanium frame has the benefits of low density, high strength, good mechanical properties, and strong corrosion resistance. The frame is very light and not easily corroded by moisture. However, due to the poor process performance of titanium alloy, machining is very difficult, the glasses frame made of hydrogen, oxygen, nitrogen, carbon, and other chemical impurities are more absorbed. The wear resistance of titanium alloy is relatively poor, and the production process is relatively complex, so the cost is relatively high and the workmanship is relatively complicated when using this material to make the spectacle frame. The price is much more expensive than the common spectacle frame.
The weight difference between pure titanium frames and titanium frames
Titanium frames are slightly heavier than pure titanium frames, but they are both high-quality materials, so they are more comfortable on the outside. The specific gravity of pure titanium is generally 4.5, while titanium alloy is 8.9, which means the material is equivalent to half of the titanium alloy. So the frames are lighter in your hand.
Hinge welding difference between Pure titanium spectacle frame and titanium alloy spectacle frame
The pure titanium glasses frame will not contact oxygen in a vacuum during the welding process. The titanium frame is welded (called spot welding), which creates a "slope" shape and is one of the most effective ways to distinguish between the two frames. Pure titanium glasses frame, in the hinge part, will not be in direct contact with titanium. And titanium glasses frame will directly contact with titanium, easy to cause wrinkles in the joint, so the temple has obvious unsmooth phenomenon.