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Pulp And Poly Liners

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Liner - The Often Overlooked Element Between Your Cap And Bottle Liner is a piece of material that sits between the cap and the bottle. It's primary function is to offer proper sealing of the product and often times it determines the closure's fit and function viability. Click here to learn more

Posted by Edward 05/01/2023

What Happens When You Recycle? The two most common recycling processes are single-stream recycling and dual-stream recycling. Single-stream recycling is when all of the recyclables are placed into the same bin for curbside pickup and sorted at the recycling facility.

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Aluminum: The Forever Metal In Packaging Aluminum has been a staple in the home and a cornerstone in the world's recycling stream for generations - click here to learn more about this forever metal's history and its place in a sustainable economy.

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Mechanical And Chemical Recycling In today's Packaging Crash Course, we will cover two recycling methods and their distinct processes that enable us to provide sustainable solutions: Mechanical and Chemical Recycling.

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Poise - Unit of Measurement for Viscosity Since its discovery, in the early 19th century the poise (P) has been used as the unit of measurement for viscosity. It has contributed significant advancements in product manufacturing, particularly in food, personal care, and pharma.

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Liners are made of various materials, and their purpose is to provide a proper seal with a closure. Considered a general-purpose liner because of its well-rounded chemical resistance, Pulp and Polyvinyl Chloride (Pulp and Poly) Liners are excellent additions to a complete package system.

What Are Pulp And Poly Liners Made Of?

Pulp and Poly Liners are two adhering layers: pulp (white cardboard/paper material) bonded with a polyvinyl chloride layer (PVC).

What Do Pulp And Poly Liners Do?

The PVC layer offers the most benefit because of its high chemical resistance, while pulp provides structure and rigidity.

What Products Do Pulp And Poly Liners Work Well With?

These liners are suitable for mildly acidic products, alcohols, oils, and water-based products. These liners can be found with packaging containing food products such as preserves, jellies, and whole/solid dry ingredients. Pharmaceutical and personal care items utilize Pulp and Poly in their packaging, ranging from caplets and tablets to gels and body scrubs.

Want to take a guess at what you'll find next time you unscrew a cap from a bottle of shampoo or conditioner? You will likely discover a Pulp and Poly Liner appearing as a white, shiny disk underneath the closure.

You can better look at Pulp and Poly Liners with metal CT closures by clicking here.

Overall, Pulp and Poly Liners are well-rounded general purpose liners with enhanced chemical resistance. Feel free to contribute to the conversation in the comments below.

Augmented Reality Experience:

Sources:

Understanding Liners And Their Appropriate Uses

Liner – The Often Overlooked Element Between Your Cap And Bottle

SKS

The Cary Company

Qorpak – Cap Material & Liner Descriptions

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