1. Sodium and salt glass cups are the most common glass cups in our lives. Its important components are silicon dioxide and sodium oxide and calcium oxide. This kind of water cup is made of mechanism and manual blowing, which is low in price and common products in life. If the sodium and lipid glassware is used as a hot drink, it usually needs to be tempered when leaving the factory, otherwise the cup will crack when the temperature difference is too large.
2. High borosilicon glass, this glass is named after the high content of boron oxide. The tea sets and teapots used with tea can withstand changes in large temperature differences without rupture. But this glass looks thin, lighter, and poor.
3. Crystal glass cups. This kind of glass is a high -end product in the glass. Because there are many metal elements contained, his discounts and transparency are very close to natural crystals, and it is called crystal glass. There are two types of crystal glass, lead crystal glass and lead -free crystal glass. Lead crystal glass is not recommended to eat, especially for drinking acidic beverages that are commonly used. Lead elements will be dissolved into acidic liquids. Long -term consumption will cause lead poisoning. Lead -free crystal is not a leading element and is harmless to the body.
Post time: Mar-22-2023