Aluminum foil seals play a key role in plastic bottle packaging:
Blocks Oxygen: Helps prevent oxidation and spoilage of the contents.
Moisture & Leak Protection: Keeps the product dry and prevents leaks.
Extends Shelf Life: Adds extra protection for sensitive ingredients.
Tamper Evidence: A complete seal shows the product hasn't been opened.
Key Factors That Affect Seal Quality
Aluminum Foil Material: Thickness and material compatibility.
Heat Sealing Process: Proper control of temperature, power, and sealing height.
Bottle mouth Design: Flatness and material compatibility.
Product Characteristics: Acidity/alkalinity and viscosity.
