With the improvement of people’s living standards, people’s awareness of health preservation is becoming stronger and stronger, no matter what they eat or use, they are pursuing health preservation. Therefore, no matter what product is used, health is required. We all know that glass is divided into ordinary glass and double-layer glass. There are two types of double-layer glass: lead-free and lead-containing double-layer insulated glass cups. Then, how do we identify whether it contains lead when choosing? Zibo double-layer glass manufacturer will take you to find out.
1. Look at the toughness of double-layer glass: Lead-free glass is more tough than leaded crystal glass, that is, impact resistance.
2. Light and heavy: Compared with lead-free crystal glass products, lead-containing crystal glass products are slightly heavier.
3. Listen to the sound: Beyond the metallic sound of the leaded crystal glass, the sound of the lead-free glass is more pleasing to the ears, rich in the reputation of “music” cups.
4. Look at the color of the cup body: Lead-free glass has better refractive index than traditional leaded crystal glass, and better shows the refractive performance of metal glass; such as ornaments of various shapes, crystal wine glasses, crystal lamps, etc. Etc. are made of leaded glass.
5. Look at the heat resistance: glasses generally can withstand very high temperatures, but generally have poor resistance to cold and heat. Lead-free crystal glass is a glass with a high coefficient of expansion, and its resistance to cold and heat is even worse. If you use boiling water to make tea in a particularly cold lead-free glass, it is prone to bursting.
6. Look at the logo: lead-free glass cups generally contain potassium, mostly handicrafts and have a logo on the outer packaging; lead-containing glass cups contain lead, that is, crystal glassware commonly found in some large markets and stalls, and its lead oxide The content can reach 24%.
Everyone knows that lead-containing products are harmful to our health. Long-term use of lead-containing double-layer glasses will definitely affect our body, so when we buy products, we must go to a regular double-layer glass manufacturer to buy.
Post time: Jul-19-2021