Tape may be utilised to seal an envelope or container. Both pressure-sensitive and gummed tapes are acceptable for sealing and strengthening envelopes and packages. These could also be product of plastic, material, or paper.
The United States Postal Service states that tape have to be utilized appropriately for the most effective outcomes. A gummed tape requires adequate hydration. The floor have to be clear and at a temperature above freezing, as freezing temperatures may trigger the tape to shatter. Pressure-sensitive tape may be utilized to chilly surfaces, however following software, it have to be rubbed down.
Cellophane and masking tape can’t be utilised to seal an envelope. These tapes could solely be utilised to strengthen one other closure, corresponding to a self-adhesive envelope.
