The lifespan of an adhesive tape depends on many factors including its type, quality, storage conditions and exposure to extreme environments. Generally speaking, under the right storage conditions, the tape can be stored for a long time, but different types of tape may have different life spans.

Here are some general guidelines for tape life:

1. Tape Type: Different types of tape have different lifetimes. For example, adhesive tape, insulating tape, and box sealing tape, etc., may have different lifetimes. High-quality tape generally has a longer life.

2. Storage conditions: The environmental conditions for storing tapes are very important. Optimal storage conditions are in a dry, cool place away from direct sunlight and temperature extremes. The longer the tape is exposed to heat, humidity or UV rays, the shorter its lifespan.

3. Sealability: Maintaining the sealability of the tape is also critical. Unused tape should be kept in its original packaging or in a sealed bag to keep out air and moisture for longer life.

4. Frequency of use: Tapes that are used frequently may wear out faster. If the tape is often removed and applied, it may have a relatively short lifespan.

5. Glue quality: The glue quality of the tape also affects its lifespan. Low-quality glue may cause the tape to lose its tack prematurely.

6. Exposure to Chemicals: Avoid exposing the tape to chemicals or solvents as these may damage the tape.

Generally speaking, under proper storage conditions, the general type of tape can usually be stored for several years or even longer. However, to ensure optimum performance of the tape, it is recommended to inspect the tape for signs of aging, loss of tack or other obvious problems. If there is a problem with the tape, it is best not to use it, but to replace it with new tape.