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Because there is no water in the tube, water is necessary to start the hardening process.

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12y ago

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How come Glue does not get stuck in its tube?

Because there is no air in the tube, but if you open one and re-cap it, you admit air and it will harden eventually.


What happens if you microwave gorilla glue?

if you put the whole tube in there it will explode


How can avoid stucking hot tube together?

To prevent a hot glue tube from becoming stuck, always recap the tube securely after use and store it in a cool, dry place. Try to avoid leaving the tube lying flat after using it, as this can cause the glue to dry around the cap and nozzle, making it difficult to open. If the tube does become stuck, soaking it in warm, soapy water can help loosen the dried glue and make it easier to open.


Why the glue hardens when it is squeezed from the tube?

Glue hardens when exposed to air due to a process called polymerization. When glue is squeezed from the tube, it comes in contact with air, leading to the evaporation of solvents or water present in the glue. This causes the glue molecules to come closer together and form a strong bond, resulting in hardening.


What is the collective noun for glue?

A puddle of glue? lol


Does a hot glue gun absorb?

No, it simply heats the glue, then it is pushed out of the tube.


What is the best method for repairing an inner tube using inner tube repair glue?

To repair an inner tube using inner tube repair glue, follow these steps: Locate the puncture or hole in the inner tube. Clean and dry the area around the puncture. Apply a thin layer of inner tube repair glue to the punctured area. Wait for the glue to become tacky. Press a patch onto the glued area and hold it in place for a few minutes. Allow the glue to dry completely before inflating the inner tube.


What glue bonds best glass to glass?

The best for those materials would be PL Premium or LePage Extreme, both available in small tube or caulk tube.


How come Super Glue does not get stuck in its tube?

The reason it doesn't get stuck in the tube is the same reason a box of doughnuts aren't hard as hockey pucks when you first open the package. For superglue to work it needs air to make it hard, just like the doughnut. The chemicals react with oxygen to change the chemical structure so it becomes hard and sticks to whatever it can. With the doughnut, the water is pulled out by the rest of the air in the room and it becomes hard. We're taught in high school chemistry that things go from HIGH-LOW. The more dramatic the diff and the easier it can move from HIGH - LOW, the faster the change will happen. Hope this makes sense Super glue cures in the presence of hydroxyl ions in water. No water or water vapor in the tube of super glue will keep the nozzle clog free.


Why don't super glue go hard in the tube?

Any of these types of glue need air to dry. If the tube is kept tightly capped it can't dry.


Why was the glue sticks invented?

You can glue things faster and more easily with a glue gun than with a tube of glue (although I still use tubes, personally).


What kind of glue is used to patch a bike tube?

Most modern bike tube patches come with glue on the back, under a peel-off sticker. If you really insist on doing it the old fashioned way, the best bike rubber cement is 'Slime' available in Walmart Auto accessories.