There are many varieties of glass and a wide range of uses. In addition to the commonly used quartz glass and tempered glass, there are also various types of optical glass, color-changing glass, laminated glass and so on.
As there are many types of glass, it is even more important to choose the right type. In order to be able to find suitable glass products, we need to have an understanding of various types of glass and be familiar with the characteristics of lead-containing glass.
Ordinary glasses in supermarkets are lead-free.
1. The cost of leaded crystal glass is relatively high, so ordinary manufacturers will not use this material; ordinary glass, the main component is made of ordinary glass material composed of silica, and the cost is also lower.
2. When buying crystal glass tableware, you can distinguish between glass, lead-containing crystal glass, and lead-free crystal glass by sound, feel, appearance, etc.
Ordinary glass products are dim in color, poor in refractive index, rough in workmanship, poor in touch, and even have bubbles in some places, and the sound of light tapping is dull.
Compared with ordinary glass products, crystal glass products are bright in color, strong in refractive index, exquisite workmanship, and good in touch. They look like crystals and have a crisp metal sound when tapped. Lead-containing crystal glass products are similar to lead-free crystal glass products. It is slightly thicker than it.
