How to use double-sided tape?

by:CROWN     2021-09-20

Double sided tape is a roll of paper, cloth and plastic film as the base material and uniformly coated with elastic pressure-sensitive adhesive or resin pressure-sensitive adhesive on the base material. It consists of three parts: substrate, adhesive and release paper (film). The double sided tape also plays an indispensable role in daily life.

Suitable environment requirements for storing double-sided tape: temperature 19-23, humidity 40-60%.

If you pay attention to the following points when using, you can get a better bonding effect.

1. The adhering surface must be cleaned and dried first. Generally, it is recommended to wipe and clean the surface with a cloth mixed with 1:1:1 isopropyl alcohol and water, and then wait for the surface to dry completely.

2. After the cleaning solvent dries, stick the tape to the surface of the adhesive, and apply a pressure of about 15 pounds per square inch (1.05 kg/square centimeter) through a roller or other means to effectively bond.

3. Tear off the tape release paper, then paste the material to be pasted, and apply the same pressure as 15PSI for effective pasting. If air bubbles need to be removed, the pressure should be increased to the upper limit of the carrying capacity of the item.

4. The ideal gelatinization temperature is 15-38, not less than 10.

5. During the tape bonding process, one end should be glued first, and then slowly pressed to the other end to reduce the possibility of air bubbles.

During the pause, the double-sided tape is still being pulled strongly. Although the double-sided tape is not pulled macroscopically, in the microscopic view, the double-sided tape has been pulled apart by tiny gaps (when it is firmly attached to the object, it will have an effect). At this time, the glue on the double-sided tape is no longer evenly distributed, producing a 'stained glass' effect, so it turns white.

There is also a big difference in color between slow and fast uniform stretching. Slowly stretching will obviously turn white. When slow stretching occurs, the glue filament will stretch very long, which will make the glue surface uneven and the transparency will decrease. Due to factors such as inertia, the glue is pulled apart before the shape changes greatly, so the original uniformity and transparency can be basically maintained.

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