How to prevent the glass cup from bursting when the weather is cold?
Hankxing
RuixinGlass
2019-01-17 10:41:27
How to prevent the glass cup from bursting when the weather is cold?
As the weather gets colder, we should add clothes, drink water and drink cold water again. We are no longer young, and the hardships of life have given us too much psychological pressure, so we have to cherish our body and tongues. Say, the body is the capital of the revolution, don't let your body and mind get rid of it. When you are thirsty in the fall, it is better to have a cup of warm water. To drink warm water, we need a natural and harmless glass to ensure the quality of our water.As the weather gets colder, we should add clothes, drink water and drink cold water again. We are no longer young, and the hardships of life have given us too much psychological pressure, so we have to cherish our body and tongues. Say, the body is the capital of the revolution, don't let your body and mind get rid of it. When you are thirsty in the fall, it is better to have a cup of warm water. To drink warm water, we need a natural and harmless glass to ensure the quality of our water.
Understand the features:
The fragile nature of glass has made many people look oysters. I believe most people have seen such a scene: During a certain period of cold weather, we poured a boiling water into the glass cup. After a few seconds, the cup suddenly exploded and the boiling water filled the table.
Burst principle:
Many people are wondering why the glass cup bursts. According to the physics principle: thermal expansion and contraction, this phenomenon is completely explained. The wall of the cup is too thick. The temperature of the boiling water is too high to be transferred to the cold outer wall in time, and the inside begins to be thermally expanded, causing the cup to burst.
Prevention method:
First: the glass cup does not have to be too thick, as long as the quality is good, or the brand is thinner, because the wall is thin, the water temperature can be quickly transferred from the cup to the outside of the cup, so that no burst will occur.
Second: When the weather is cold, before using the cup, first wash the cup with a small amount of hot water, shake for a few seconds, then pour in the right amount of hot water, so that it will not form a burst.
As the weather gets colder, we should add clothes, drink water and drink cold water again. We are no longer young, and the hardships of life have given us too much psychological pressure, so we have to cherish our body and tongues. Say, the body is the capital of the revolution, don't let your body and mind get rid of it. When you are thirsty in the fall, it is better to have a cup of warm water. To drink warm water, we need a natural and harmless glass to ensure the quality of our water.As the weather gets colder, we should add clothes, drink water and drink cold water again. We are no longer young, and the hardships of life have given us too much psychological pressure, so we have to cherish our body and tongues. Say, the body is the capital of the revolution, don't let your body and mind get rid of it. When you are thirsty in the fall, it is better to have a cup of warm water. To drink warm water, we need a natural and harmless glass to ensure the quality of our water.
Understand the features:
The fragile nature of glass has made many people look oysters. I believe most people have seen such a scene: During a certain period of cold weather, we poured a boiling water into the glass cup. After a few seconds, the cup suddenly exploded and the boiling water filled the table.
Burst principle:
Many people are wondering why the glass cup bursts. According to the physics principle: thermal expansion and contraction, this phenomenon is completely explained. The wall of the cup is too thick. The temperature of the boiling water is too high to be transferred to the cold outer wall in time, and the inside begins to be thermally expanded, causing the cup to burst.
Prevention method:
First: the glass cup does not have to be too thick, as long as the quality is good, or the brand is thinner, because the wall is thin, the water temperature can be quickly transferred from the cup to the outside of the cup, so that no burst will occur.
Second: When the weather is cold, before using the cup, first wash the cup with a small amount of hot water, shake for a few seconds, then pour in the right amount of hot water, so that it will not form a burst.