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5   Are there any precautions for using the tapes?

Use the tape after wiping away any water on the surface where you want to use it.
I would like to give you a tip. If you slightly heat the adhesive side of the tape before you adhere it, you will feel a stronger adhesive force.
If the tape is stored in a cold place during winter, do not use it immediately after you take it from storage. You will achieve a better adhesive force if you use it 2~3 hours after you place it in a warm place.

4   Please tell us about the types and features of adhesive.

Roughly, you can divide the adhesives into silicon-based, rubber-based, acryl-based and emulsion-based type.
Their features are as follows:
The strong point of rubber-based adhesives is that you can use them in a wide range of temperatures. In addition, they adhere well. They adhere well in cold places like cold storage, cold area etc. They are, however, weak to moisture, which is a weak point.
Acryl-based type has various features needed as an adhesive and it resists moisture. These are its strong points. It cannot be used in wide range of temperatures, which is its weak point. It cannot be used at low temperatures.
Emulsion-based type is water-soluble. This is made not of organic solvent but water. That is why it is environmental-friendly. It is, however, not used widely in Korea.
Silicon has excellent properties which perform well in all conditions including heat-resistance, water-proof, weather-proof etc. It is, however, expensive, which is its only one weak point.

3   What is the difference between adhesion and gluing?

With adhesion you can detach the tape from the attached part and then you can attach it again, whereas with gluing the tape is attached and cannot be detached.

2   Why does the adhesive remain when the tape is detached from the attached face?

This is very hard to answer. However I will do my best to answer.
A small quantity of crosslinking agent is added during the process of manufacturing and drying the adhesive.
The crosslinking agent makes the linear type adhesive particles link to each other.
That is, it makes such individual particles gather into a lump and work in a group form so that they cannot be scattered.
Even if the crosslinking agent is used in very small quantity, it has a big effect. Therefore, if it is inputted in a large quantity, the adhesive may not be sticky at all.
If so, it is not sticky but also cannot be adhered at all.
There may be another answer to your question. The adhesive also ages like people do when exposed to sunlight and oxygen.
The adhesive, therefore, contains antioxidant or anti-ageing agent, which does not have excellent effects. The tape is the same as people in terms of aging.

1   How do you make the tapes?

We evenly coat the material, the backing, usually film, cotton, paper, etc. with the rubber melted by solvent and tackifier. We then dry the solvent contained in the adhesive by heat, and wind etc. Then we cut it into various specified sizes.

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