45-400 Black PP Smooth Skirt Cap

This 45-400 Black Smooth Skirt Lid with Liner includes your choice of liner inside the cap. (See the Description Below about our liners). The liners create an airtight seal when used properly on the container. It is great to enclose products ranging from cosmetics to personal care products. This Black Smooth Skirt Lid with Liner is made of polypropylene marked (PP). In addition, has very good resistance to fatigue and an extremely high melting point. (320 degrees Fahrenheit or 160 degrees Celsius) In conclusion, you can pair this Smooth Skirt Lid with Liner with various Jars that match a 45-400 neck size. For instance, the first number represents the diameter of the container opening in (mm). The second number represents the thread depth of the closure's skirt. In other words, To help you in your product search. Pair this cap with one of our great "Matching Items" below.

Which Liner Should I Choose?

For a new customer, this question is the most important you would want to ask yourself when purchasing a new cap with liner. There are many factors to take in question when choosing a Liner for you specific product. Below are some of the main products that are used with the specified liner. Please note that these are general recommendations and not mandatory to use with your product. If you have questions, please contact us by email, phone or live chat and one of our customer care specialists will be glad to help with any inquiries you might have. We also always recommend choosing a sample first before making a big purchase.

• Polyethylene: Common with Concentrated Coffee, Beverages, Juice, Dry Health Foods, Honey, Syrup, etc.
• PS22 – Pressure Sensitive: Liners that bond to the land of the bottle when the cap is removed. Common for dry products, pharmaceuticals, vitamins, and supplements

Pressure Sensitive Liners

This Black Smooth Skirt Lid with Liner 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 Smooth Skirt Lid with Liner 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.

Heat Induction Seal

This lid features a heat-sealed aluminum liner to ensure customers that their product has not been tampered with. When installed properly, the cap’s heat induction seal forms an airtight inner seal that protects contents against oxygen and moisture and provides tamper-evident-proof safety. The liner is an aluminum foil-coated liner with paper on one side and foam. It features a heat-sealable coating that is laminated to polystyrene foam. These types of heat induction seals can be used with PET and most glass products. In addition, our lid liner is great for a variety of uses for cosmetics and personal care products and is easy to use. The heat seal liner preserves the product for a longer period of time by trapping oxygen to increase the longevity of products such as lotion, soaps, sanitizers, and more. *Heat Induction Seals (HIS) are not suitable for products containing oil*