What is the role of quartz glass tube?
Don't burn red glass into the water without cracking, just burn split. In general, add fresh boiling water will not crack in the glass, the glass is very good, but it still belongs to the category of ordinary glass. The cost of making quartz glass is very high. They are only available where special properties are required.
The biggest difference between the quartz glass and ordinary glass is heat level, quartz glass can resist to your unexpected temperature, such as burning in the fire immediately after not burst into the water!
And the appearance of quartz glass does not feel high-grade! So, it's difficult to see on the market. The glass glass on the map given by the landlord is not quartz glass. The reason: (1) made of quartz glass glass glass is not worth it, no need to use quartz glass, simply do not come out to play excellent performance of quartz glass; (2) it looks like the glass crystal, not quartz glass material. This cup is an ordinary glass cup, if poured on the boiling water, not fried bad, plus the texture is more beautiful, at best can only be "special properties of ordinary glass."".
