How to Choose the Right Flexible Packaging Closure | Sliders vs. Press-to-Close Zippers

There are a few factors to consider as you select the closure for your flexible packaging. Zili ZIPPER EXTRUDER MACHINE has various closures, such as slider and press-to-close zippers. But how do you know which is the best one for you?

Types of Flexible Packaging Closures Explained

Resealable flexible packaging can have many types of closures but two of the most common are sliders and press-to-close zippers. Sliders are the type of closure where the plastic can be opened and closed by running a small piece of plastic back and forth along a track. Press-to-close zippers, meanwhile, mean you have to press both sides of the zipper together to close the packaging.

Considerations for Choosing Between Sliders and Press-to-Close Zippers

Here are a few factors to keep in mind when choosing between sliders and press-to-close zippers. One is usability. Sliders tend to be more convenient to open and close, so they’re great for things that will be constantly going in and out of the package. Press-to-close zippers meanwhile, require even more force for a stronger seal, good for products that you want to have a longer shelf life.

Yet another factor is longevity. Sliders are generally stronger than press-to-close zippers and are less prone to damage or misalignment. If the products you are packing are heavy and/or you would like a secure seal, sliders may be the best alternative.

How to Get a Secure Seal with Flexible Packaging Closures?

Weither you select plastic zipper or press-to-close zippers, you need to be left with a secure seal to safeguard your products. With sliders, be sure to slide the closure over so that it’s all the way at the end (tip number 4) so that there really won’t be any gaps. For press-to-close zippers, pressure should be applied from end to end to ensure closure is airtight.

Here We Go Round the Zip Learn Why Sliders Are More Durable Than Press-To-Close Zippers

A slider versus a press-to-close zipper? Sliders are typically more robust and user-friendly and are therefore common for a variety of products. While not as long-lasting, you can trust press-to-close zippers to keep your products sealed tight and fresh for months to come.

Selecting the Best Closure for Your flexible Packaging Application

In summary, if you are selecting a closure for your flexible packaging, key factors should include ease of use, robustness, sealing security. If you want a closure that you can quickly slide on and off, sliders might be your best bet. For a seal you can trust, go with resealable zippers. Zili has many combination closures in flexible packaging to suit your individual needs, so be sure to discover all your options before choosing what is best right for you.