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Tag Archives: Mohs hardness scale

What does 9H hardness mean in screen protectors? – The Biggest Lie in Tempered Glass Film

Today, smartphones are getting more expensive, major mobile phone manufacturers are trying hard to increase the price level as much as possible. For most people, a smartphone is a “valuable” thing, people are more and more inseparable from mobile phones. The mobile phone screen is the weak point for mobile phone hardware. Consumers always consider…