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The rubber band has been used for a long time, and the rubber band itself has aged, so it is getting looser and looser, so in this case, throw it away and buy a few new rubber bands.
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Once the rubber band has grown larger and looser, it can be placed in the refrigerator for an hour to regain its elasticity and can be used temporarily for emergencies. If you don't want to put it in the freezer, you can also soak it in cold water for an hour, or use alcohol to make the rubber band shrink. However, it can only be used temporarily, and if the rubber band becomes larger, it should be replaced in time.
The main material of rubber bands is rubber, which is a polymer organic substance. The molecular chain of the substance is long and can be freely deformed. Due to its good elasticity, it can extend over long distances.
However, if the deformation is too great and causes the molecular chain to break, the rubber band cannot be restored and cannot be tightened.
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The rubber elasticity in the rubber band has a certain lifespan, and it can no longer be used after losing its elasticity.
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The rubber band becomes loose after a long time, and it can return to its original shape as long as it is placed in water.
Rubber bands mostly refer to rubber bands, elastic bands, etc., which are made of rubber, elastic, and used for children's entertainment.
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I think half of the rubber band will loosen after a long time, and there is no way to solve this. The only way is to buy more spare ones yourself, and when the rubber band has no elasticity, you can replace it.
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Theoretically, the cost of resilience is much higher than if you bought a few new ones. The main material of rubber band is rubber, which is a kind of polymer organic matter, and its molecule is composed of many simple and repetitive small molecules. The molecular chains of rubber are very long, usually arranged in a spiral shape (think of a spring, but they are not the same).
In the elastic range of rubber, when the force is applied, it will deform, and the force will disappear and return to the original state. However, when the force is too large or the time is too long, its internal molecular chain will be destroyed, and then there is no way to return to the original state, so the rubber band will become loose. If you want to restore it, you can use sulfur as a crosslinker to connect the molecules of the rubber.
But the cost... Buy a few new ones.
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The rubber band itself has become aging after a long time, and finally it will become more and more loose, so you can throw away and buy a few new rubber bands.
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If the temper is soft for a long time, you can cut off some of the rubber bands, so that they will not be loose when they are tied up again, so only in this way can such a problem be solved.
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If it's just a little looser than the original, just tie your hair in an extra loop. If it's completely inelastic, then just throw it away and buy another one.
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The rubber band has been loosened for a long time, you can choose a new rubber band to solve the problem.
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What should I do if the rubber band is loose after a long time? In general, if the elasticity of this rubber band is used for a long time, then it will definitely be loosened, and in this case, it can only be replaced with a new one.
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After a long time, you can change to a new one and continue to use it.
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It can be left to soak in cool water for about an hour.
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It can be left in cool water for an hour.
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Ways to loosen the bands quickly:
1.Soak the bands in hot water. Boil water in a pot, wait for the water to boil, put the rubber band on the ring in the pot, then cover the pot and wait for 20 minutes for the rubber band to loosen.
2.Hot water bottle for a warm compress. Fill the hot water bottle with hot water, then put the rubber band on the hot water bottle, after about 3 minutes, stretch the rubber band, and the rubber band will become loose.
3.Apply a hot towel. Stretch the band, then apply a hot towel, the greater the strength, the better, after 5 minutes, and then stretch the band, the band can become loose.
4.Sun exposure. If the band is too hard, you can leave the band in the sun for about 1 hour, and then the band will become loose.
5.Watering can spraying. Fill the watering can with water and spray the band on the mold, and after 5 minutes, the band will become loose.
6.Edible oil infiltration. Put the rubber band into a basin, then pour in an appropriate amount of cooking oil, soak for 10 to 15 minutes, and then the rubber band will become loose.
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First prepare the rubber band, then prepare a clean faith tung container, add an appropriate amount of hot water to the container, after adding hot water, put the rubber band into the water to soak, about 3 minutes or soak it, take out the rubber band, then stretch the rubber band, and keep it for about 5 seconds.
The specific steps are as follows:
1. Prepare the rubber band first, and then prepare a clean container.
2. Add an appropriate amount of hot water to the container, add hot water, and soak the rubber band in the water.
3. After soaking for about 3 minutes, take out the rubber band.
4. Then stretch the rubber band and hold it for about 5 seconds.
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1. If the bands are independent, you can find an inconspicuous part of the rock, disassemble the thread a little, cut the bands with scissors, and pull them out.
2. Take the place to change the clothes and ask someone to disassemble the clothes and add a section of elastic old spike royal belt, and you can't see anything strange after adding.
3. Replace a rubber band.
4. Go to the sewing shop and ask the master to help you pick it up, or change it tight.
5. Ironing at high temperature destroys the elasticity of the rubber band when it is opened.
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