What Are Impulse Sealers & How Do They Work?

What does an impulse sealer do?

An impulse sealer is a piece of equipment used to heat seal various types of packaging materials such as polyethylene bags or films.

What are the uses of the sealing machine?

Impulse sealers are commonly used for packaging and sealing purposes in industrial, warehouse and retail environments.

How does an impulse sealer work?

Impulse sealers use an electric current to generate heat, which is then applied to the packaging material to create a strong and airtight seal.

1. Prepare

The user places the item to be sealed inside the polyethylene bag or between layers of plastic film.

2. Sealed and placed

The open end of the bag or film is positioned between the sealing jaws of the impulse sealer. The length of the seal can usually be adjusted according to specific requirements.

3. Sealing process

When the user activates the impulse sealer, electrical current is passed through a heating element (usually made of nichrome wire) inside the sealing jaws. This immediately heats the wire, creating a burst of intense heat that is focused on the area where the seal should be formed.

4. Compression and cooling

After heating, the user applies pressure to the sealing jaws, pressing them firmly together. This compression ensures that the heated area fuses the plastic together, creating a strong seal. After a short cooling period, the seal solidifies and becomes permanent.

Summarize

Impulse sealers are known for their sealing speed and efficiency, as well as their ability to handle a wide variety of packaging materials. They are commonly used to seal food, electronics, clothing, documents and other products that need to be protected from moisture, stains or tampering.