Sealer Tunnel

Seal machines are devices used to close and secure packaging, containers, or bags to protect the contents from contamination, leakage, or tampering. They create a firm and airtight seal to preserve freshness, extend shelf life, and ensure product safety. Seal machines come in various types and designs, catering to different materials and sealing requirements.

1. Impulse Sealers:

   • Description: Use a short burst of electrical current to heat a sealing wire, which fuses the material (typically plastic) together. After sealing, the heat is immediately turned off.
   • Features: Ideal for low-to-medium-volume sealing; can seal thermoplastic materials like polyethylene and polypropylene. Portable and easy to operate.
   • Applications: Used in retail, small-scale packaging, and for sealing small to medium-sized bags.

2. Vacuum Sealers:

   • Description: Remove air from the packaging before sealing, creating a vacuum environment inside the bag. This method is commonly used for preserving food.
   • Features: Helps in preventing oxidation, mold, and bacterial growth; extends the shelf life of food products.
   • Applications: Used in the food industry for packaging perishable goods like meat, fish, cheese, and produce.

3. Heat Sealers:

   • Description: Use continuous heat from heated bars or elements to seal materials. The sealing temperature and dwell time can be adjusted based on the material.
   • Features: Suitable for sealing thicker materials, including laminated foils and heavy-duty plastic films.
   • Applications: Used in industries like food packaging, pharmaceuticals, chemicals, and electronics.

4. Band Sealers:

   • Description: Utilize a continuous conveyor belt to move the package through heated sealing bars. Suitable for high-volume sealing operations.
   • Features: Continuous operation for higher efficiency, adjustable temperature and speed controls, and compatibility with various bag sizes and materials.
   • Applications: Widely used in food processing, agricultural, and chemical industries.

5. Induction Sealers:

   • Description: Use electromagnetic induction to create a hermetic seal on containers, such as bottles and jars, by heating an inner seal layer (typically aluminum foil) placed over the mouth of the container.
   • Features: Provides a tamper-evident and leak-proof seal; suitable for sealing liquids and powders.
   • Applications: Used in the pharmaceutical, cosmetic, and food industries to seal plastic and glass containers.

6. Shrink Wrapping Machines:

   • Description: Seal products in shrink film and then apply heat to shrink the film tightly around the product.
   • Features: Provides a clear, tight, and tamper-proof package; protects against dust and moisture.
   • Applications: Commonly used for bundling multiple products, such as books, boxes, or canned goods.

7. Blister Sealers:

   • Description: Used to seal pre-formed plastic (blister) packages with a cardboard backing, creating a secure and clear package.
   • Features: Offers tamper resistance and visibility; often used for single-use products.
   • Applications: Widely used in the pharmaceutical and retail industries for packaging medicines, electronics, and small consumer goods.