Why pour boiling water in the winter thick glass easy to burst

Typically, the summer by the glass of water is not much problem; when can the winter, with a glass tea sub, sub-glass thermal expansion and contraction, and sometimes you hear “bang”, sub-bottom glasses come off, glass cup had burst. In real life, really thick glass thinner than glass easy fried, this is because the thick…

How toxic glass produced

According to related statistics, McDonald’s sold glass is coated with a poisoning due to the human body can cause adverse cadmium that cause. Recently a glass manufacturer is responsible to the people I represent network cup pot, causing poisoning of lead crystal glass is usually coated with a paint cup and glass. Glass coated with…

Installed glass of water would shake out any problems you know

Many people have such a habit, that is, after a cup of hot drink want to taste as soon as possible, so that it will reach about shaking drinks to cool down faster, which is a luxurious and methods, do not arbitrarily attempt, otherwise the consequences will be very serious. Shaker features as we normally…

What is the most healthy cups

Glass cup, ceramic cups, ceramic cups, plastic cups, stainless steel cups, cup iron, aluminum, glass, paper cups . when we go to the mall to buy a glass of water, when a variety of glass will break into our line of sight, especially those tender and beautiful colors, strange shapes cup is looking arouses, picks…