Glasses are cups that we often use every day, but I wonder if you have heard of crystal cups? Let me take a look at what a crystal cup is with you today.
1 Introduction
Crystal cups usually refer to cups or wine glasses that are processed from lead-free crystal glass. With the popularization of technology and craftsmanship, crystal glass has been used as a tea cup and has become the favorite of fashion people in the new era. The other is a common crystal. wine glass.
2. Distinguishing method
The thermal conductivity of crystal is stronger than that of glass, so when you touch the crystal with your hands, it should be cooler than touching the glass. The hardness of natural crystal is 7, and the hardness of glass is 5, so crystal can scratch glass. Lift up a crystal glass and rotate it against the light, you will find that it has colorful light, while ordinary glassware has no gloss and no refraction. Tap lightly or flick the utensils with your fingers, the crystal glass utensils can emit a light and crisp metal sound, and a beautiful reverberation sound is rippling in the breath, while the ordinary glass utensils only have a dull “click, click” sound.
3. Advantages
The crystal glass material has a smooth surface and is easy to clean, while stainless steel cups, purple sand cups, etc. have gaps on the surface that cannot be observed by the naked eye, and impurities are easy to adhere to and difficult to clean. The crystal cup is transparent and pure, and has a good visual experience for wine tasting and tea drinking. It also has a certain cold and heat preservation effect.
