1. Appearance identification: observe the appearance of the screw. Pure and titanium alloy screws are similar to traditional stainless steel, copper, and iron screws, but high-end series of titanium screws can reach higher levels. It has a beautiful appearance, sometimes emitting a cool light like a handicraft. Compared with iron screws and copper screws, titanium screws will appear brighter, with a cool glow.
2. Scratch test: If you are unsure, you can lightly scratch the screw on the white ceramic. If the screw is made of titanium, it will leave gray scratches on the white porcelain. Stainless steel will not leave scratches on white porcelain. However, it should be noted that to provide a better user experience, some titanium products will undergo special hardening treatment on the head of the product, so that scratches will no longer be easily left.
3. Chemical Test: This is a more accurate method. Through chemical reactions, the composition of a material can be determined. For example, using the nitric acid test, pure titanium will instantly produce bubbles.
4. Price judgment: Since titanium is relatively expensive as a raw material for screws, price is also a basis for judgment. If you find a screw for an unusually low price, it's probably not a genuine titanium screw.
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