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Will silica gel desiccant explode when exposed to water

Will silica gel desiccant explode when exposed to water

(Summary description)In our lives, desiccants are very common. For example, most of the snack packs we eat contain one or more desiccants, and we often see desiccants on the packaging of digital products.

Will silica gel desiccant explode when exposed to water

(Summary description)In our lives, desiccants are very common. For example, most of the snack packs we eat contain one or more desiccants, and we often see desiccants on the packaging of digital products.

Information
  In our lives, desiccants are very common. For example, most of the snack packs we eat contain one or more desiccants, and we often see desiccants on the packaging of digital products. Some people have heard of it before. Desiccant and water can cause an explosion, so when you find a desiccant, it’s best to handle it properly. Is this the fact? Will the desiccant and water explode? The editor will give you an experiment to prove that the desiccant and water will explode. The specific experiment process is as follows: Test items: silica gel desiccant, quicklime desiccant, empty mineral water bottle, tap water The first set of experiments: 6 bags of quicklime desiccant + half a cup of water, 6 bags of silica gel desiccant + half a cup of water. We put 6 bags of quicklime desiccant into an empty mineral water bottle, add half a cup of water, close the cap, and shake the bottle. After 1 minute, the objects in the bottle began to heat up significantly. In less than 5 minutes, the bottom of the mineral water bottle changed from concave to convex, and the boiling lime water deformed the bottle. But because the water was added less, the quicklime did not expand sufficiently, and the bottle did not burst open in the end. There is no change in the silica gel desiccant group. The second set of experiments: 7 bags of quicklime desiccant + a cup of water, 7 bags of silica gel desiccant + a cup of water. In the second set of experiments, we changed the mineral water bottle to a small bottle, increased the quantity of quicklime desiccant to 7 bags, and poured 1 cup of tap water, we took out another small bottle and put it into 7 bags Silica gel desiccant. Quicklime desiccant group: After 1 minute, the body of the bottle became obviously hot, the body began to heat and swell, the texture of the mineral water bottle was flattened, a bag gradually bulged at the bottom, and boiling bubbles were visible in the bottle. About 5 minutes later, with a "bang", the bottom of the bottle broke, and a burst of white gas was ejected from the bottom of the bottle. The ejected gas caused the horizontally placed bottle to rotate more than 180 degrees. Silica gel desiccant experimental group: the particles become larger. Therefore, if the bottom of the bottle is not scorched by high temperature, the gas inside is very likely to burst the bottle and then explode. Conclusion: It is not that the desiccant will explode when it meets with water. When the silica gel desiccant explodes, at least two conditions must be met: the desiccant is placed in a confined space and fully exposed to water to expand. Silica gel and montmorillonite react physically when contacting water and are relatively safe. The above experiments have proved that the blow knows that the desiccant bandage must meet at least two conditions, that is, placed in a confined space and fully integrated with water before an explosion can occur. Although this is the case in the experiment, it is best for everyone to properly handle the desiccant in daily life, because now the desiccant in food and clothing is not specified (there are few Chinese labels) whether the desiccant is silica gel or quicklime. If it is found to be quicklime desiccant, it is best to deal with it immediately.
 

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