38-400 Silver Aluminum Screw Top Cap

38-400 Silver Aluminum Screw Top Cap

Our 38-400 Silver Aluminum Screw Top Cap is a brushed aluminum cap. Above all, This is a great way to set your product apart and set an appealing look to your packaging. Continuous thread caps have a single thread on the inside of the skirt. However, these typically require a full turn before the closure is properly applied.

In conclusion, you can pair this silver aluminum screw top cap with various Jars that match a 38-400 neck size. For instance, the first number represents the diameter of the containers opening and in (mm). The second number represents the thread-depth of the closure’s skirt.

Aluminum Melting Point

This silver aluminum screw top cap offers a scratch-resistant closure with a hard rigidity. In addition, it has very good resistance to fatigue and has an extremely high melting point. (1,221°F degrees Fahrenheit or 660.3°C degrees Celsius)

Types of Liners

In addition, These brushed silver aluminum screw top caps come in 2 different types of liner, pressure seal or foam liner. Therefore, it has a pre-inserted liner with a 38-400 neck size. Specifically, this lid includes a foam liner inside the cap. The liner creates an airtight seal when used properly on the container.

Above all, this cap fits any of our 38-400 Jars. It is great to enclose products safely with its airtight seal. Products ranging from cosmetics to personal care products.

Pressure Sensitive Liners

This silver aluminum screw top cap includes a PS liner inside the cap. In other words, A pressure sensitive liner is a variety of polystyrene liners. For instance, it is commonly referred to as poly liners. An ideal general-purpose liner material, the compressible Pressure Sensitive foam creates a stable seal.

In addition, Pressure sensitive liners are odor resistant and pulp dust free. Pressure-sensitive liners are recommended to be used with powders or dry products. Pressure-sensitive liners are not recommended for use with liquid.

Pressure Sensitive liner has an adhesive coated on foam seal and a release coating on the back that does not come in contact with the product. It adheres to either glass, metal, or plastic containers when applied and sticks to the container when the cap is removed.

Once the cap is applied, it should not be removed for at least 24 hours to ensure proper adhesion. Pressure sensitive liners have a recommended shelf life of 6-months.

Polyethylene Foam Liner

This lid includes a PE foam liner inside the cap. In other words, A PE liner is a variety of polyethylene foam liners. For instance, it is commonly referred to as poly liners. It is a flexible plastic liner specifically designed to line the inside of a glass, metal, or plastic container.

An ideal general-purpose liner material, the compressible PE foam creates a stable seal. In addition, PE liners are odor resistant and pulp dust free. They also have good chemical resistance to acids, alkalis, solvents, alcohols, oils, household cosmetics, and aqueous products. PE liners are not recommended for use with hydrocarbon solvents.

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