What kind of glass is good?

Common glass materials, sodium calcium glass and high borosilicate glass, the latter is better than the former, is the mainstream on the market. And lead glass, which is called crystal glass, is the high-end material in glasses. First, sodium-calcium glass, it can be said to be the most common kind of glass, the temperature difference is too large may burst, now used in the glass has been relatively less. We see it in life, which is the liquid bottle or the infusion bottle. High borosilicate glass is the mainstream today, dozens of glasses in the supermarket, basically use it, both light and strong, hot and cold can be, cost-effective choice. The most common water glasses, or ice cream cups, whiskey cups, etc., are basically made of this material.