1. Look at the logo: Lead -free glass is generally potassium contains potassium, mostly high -level crafts and have a logo on the outer packaging. Lead -containing glass contains lead, that is, crystal glassware that are common on some supermarkets and stalls, the content of lead oxide can reach 24%. 2. Look at the color: Lead -free glass has a better discount than traditional lead crystal glass, such as various shapes of ornaments, crystal wine glasses, crystal lamps, etc. It is made of lead -containing glass. According to the content of the article, it is for you 3. Look at the heat resistance: The glass can generally resist very high temperature, but generally the resistance to the heat and heat is generally poor. Lead -free crystal glass is a glass with a high -expansion coefficient. It is more resistant to the resistance than the hot and cold. If it is made of boiling tea with boiling water in a particularly cold lead -free glass, it is prone to cracking. 4. Emphasis: Lead -containing crystal glass products are slightly heavy compared to lead -free crystal glass products.
Post time: Apr-06-2023