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The service life of the sealing liner, I guess you don't know

The service life of the sealing liner, I guess you don't know

The service life of the sealing liner (aluminum foil sealing film) is determined by the following objective conditions.

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Encyclopedia: Revealing the service life of sealing film

Encyclopedia: Revealing the service life of sealing film

Unused sealing film can be stored for 2-3 years in a dry, dark, and room temperature (below 25 ℃) environment. High temperature (over 40 ℃) or humid environment will accelerate the aging of its heat sealing coating.

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List of common quality issues with sealing liner

List of common quality issues with sealing liner

The quality issue of sealing lineris indeed crucial, directly affecting the sealing effect and product safety.

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Introduce the coffee capsule sealing film

Introduce the coffee capsule sealing film

The sealing film of coffee capsules is a seemingly simple yet technically precise composite film.

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Unveiling High Temperature Resistant Steaming Aluminum Foil Composite Film

Unveiling High Temperature Resistant Steaming Aluminum Foil Composite Film

High temperature resistant cooking aluminum foil composite film, often referred to as "high-temperature cooking bag" or "soft can packaging".

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A piece of fast food sealing film, surprisingly hiding so many secrets

A piece of fast food sealing film, surprisingly hiding so many secrets

When we pick up a fast food, we may rarely notice that thin sealing film. However, this seemingly simple film is a crucial barrier to ensure the quality and safety of fast food.

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Introduce the coffee capsule sealing film

Introduce the coffee capsule sealing film

The sealing film of coffee capsules is a seemingly simple yet technically precise composite film.

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Selection guide for instant noodle paper tube sealing film

Selection guide for instant noodle paper tube sealing film

The selection of instant noodle paper tube sealing film requires comprehensive consideration of multiple factors such as sealing performance, production efficiency, and cost control.

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Easy to tear inner membrane customization guide: analysis of key elements

Easy to tear inner membrane customization guide: analysis of key elements

Customization of easy to tear inner film requires a balance between sealing reliability and easy opening.

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Customized crayfish sealing film: three essential points to know

Customized crayfish sealing film: three essential points to know

The packaging of crayfish is facing a harsh environment that is rare in ordinary food: the boiling red oil soup tests the instant high temperature resistance of the sealing film during filling

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Misconception clarification: The higher the sealing temperature, the better

Misconception clarification: The higher the sealing temperature, the better

The higher the sealing temperature, the better. In the previous article, Leadtra Packaging has introduced the problems that may occur when the sealing temperature is too high or too low. Today, we will learn what is the best sealing temperature.

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Note: Excessive or insufficient sealing temperature may cause issues

Note: Excessive or insufficient sealing temperature may cause issues

The ideal sealing temperature for aluminum foil sealing film is far from simply "the higher the better." It is a precisely controlled optimal range.

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Abnormal bulging phenomenon of sealing film

Abnormal bulging phenomenon of sealing film

In the previous article, we learned about the "normal bulging" phenomenon of aluminum foil sealing film. Today, we will take a look at "abnormal bulging", which refers to the bulging that needs to be guarded against.

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Normal bulging phenomenon of sealing film

Normal bulging phenomenon of sealing film

During daily use or product storage, have you ever encountered a sudden bulge of the aluminum foil sealing film at the mouth of the packaging bottle, like a "small Mantou"?

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The

The "temperature password" for high temperature resistance of aluminum foil sealing film

Aluminum foil sealing film is highly favored in many industries such as food, medicine, cosmetics, etc. due to its excellent sealing, barrier properties, and preservation ability.

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How is the sealing film made

How is the sealing film made "easy to tear"?

Realizing the ease of tearing of sealing film is a technical challenge as it requires finding a balance between the conflicting demands of "firm sealing" and "easy opening".

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How important is the ease of tearing of sealing film?

How important is the ease of tearing of sealing film?

The ease of tearing of sealing film is not a trivial detail, but a key indicator that directly affects user experience, product image, and even safety.

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Coffee can sealing film: the 'invisible guardian' guarding the soul of coffee

Coffee can sealing film: the 'invisible guardian' guarding the soul of coffee

When consumers open a new can of coffee, the crisp "sizzling" sound is not only a signal to start the delicious taste, but also the last line of defense for precision packaging technology.

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Aluminum foil sealing film, no obligation to be inferior

Aluminum foil sealing film, no obligation to be inferior

Aluminum foil sealing film combines "high barrier, strong sealing, anti-counterfeiting, and high efficiency" into one.

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Correct operation guide for sealing gasket: Ensure perfect sealing

Correct operation guide for sealing gasket: Ensure perfect sealing

The correct packaging of sealing gaskets (induction sealing gaskets) is a precision process, and its core lies in the precise control of electromagnetic induction heating to form a firm and sealed bond between the gasket and the container bottle mouth.

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Hot news :

Leadtra Packaging to 2026: Seal the beauty and embark on a new journey

Leadtra Packaging to 2026: Seal the beauty and embark on a new journey

Dec 31, 2025
Leadtra Packaging cordially invites you to attend the 2025SWOP Packaging World (Shanghai) Expo

Leadtra Packaging cordially invites you to attend the 2025SWOP Packaging World (Shanghai) Expo

Nov 25, 2025

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