Container sealing is a fundamental process in the production and commercialization of a wide range of products. An efficient sealing method ensures content protection, prevents leaks or contamination, and complies with safety and hygiene regulations.
There are several sealing methods, but two of the most commonly used in the industry are pressure sealing and induction sealing. Each has specific applications and benefits, so understanding their differences is essential when choosing the most suitable option for each product and type of packaging.
How does pressure sealing work?
Pressure sealing consists of applying a sealing liner inside the container’s lid. When the lid is closed, the liner compresses against the rim of the container, creating an airtight seal.
This method is widely used in packaging for products that do not require extreme protection, such as certain cosmetics, industrial products, or powdered dietary supplements. The key advantages of pressure sealing include:
- A simple and cost-effective process that does not require sophisticated equipment.
- Easy application in existing production lines.
- Good protection against moisture and dust, though it does not guarantee total tamper resistance.
What is induction sealing and how does it work?
Induction sealing uses an electromagnetic system to heat a metallic foil inside the container’s lid. This heat melts a polymer layer, which adheres to the rim of the container, creating a tamper-proof seal.
This method is ideal for products requiring maximum protection and security, such as pharmaceuticals, chemicals, and liquid foods.
Key benefits of induction sealing include:
-Ensures an airtight seal, protecting contents from moisture, oxygen, and contaminants.
-Provides a tamper-evident seal, making any manipulation attempts visible.
– Prevents leaks and spills, making it ideal for liquid packaging.
– Complies with strict health regulations, widely used in the pharmaceutical and food industries.
Which method should you choose?
The choice between pressure and induction sealing depends on various factors, such as the required security level, packaging type, and industry regulations.
At SM Tecnic, we offer both pressure and induction sealing solutions and guide businesses in selecting the best option for their production and safety needs.
Contact us today to discover how our sealing innovations can make a difference in your products and enhance customer satisfaction. At SM Tecnic, protecting your product is our priority.
