11/6/2022 0 Comments Moisture barrierFor such items we recommend a film with an advanced inner layer capable of sealing straight through substances/residues. Such products include fine powders and oily products. Certain products leave a residue that presents challenges in heat sealing. In addition to establishing material/product compatibility, the ability to seal through the product must also be confirmed. Chemicals, and even natural ingredients such as lemon, contain agents that can react with different films. For example, aggressive chemicals and fine powders both have very specific requirements for the inner layer of the pouch. Material selection should be based on the product to be packaged. Our technical specialists can advise you on packaging products such as aggressive chemicals, flammable compounds, powder products, oily substances, light-sensitive products, in-process ingredients, moisture-sensitive electrical components, acidic food and beauty products, freeze dried foods, raw goods, finished food products. Our technical background and experience with a breadth of industries makes us uniquely capable of advising our customers on their packaging selection. Products include in-process ingredients, pharmaceutical products, dehydrated/freeze dried food products, and many other items which may be sensitive to moisture, or subject to oxidation. Industries that require such packaging range from food and pharmaceutical, to biomedical and electronics. The goal is to select a material with enough of a barrier to properly protect the product, while not overspending on unnecessary films. Our technical experts take these factors into consideration, as well as how the product will be stored, when they recommend a film structure. These requirements are based on how much oxygen, light and moisture their product can safely be exposed to. We offer many film structures to meet the requirements of our customers’ products. Interested in learning about Mylar in layman’s terms? Visit ThoughtCo’s article What is Mylar? or Or for a more technical description please visit our Mylar Page Material Selection, Product Compatibility & Seal StrengthĬontact us to determine the appropriate material for your high barrier application. In fact, even our thinnest film, PAKVF2.5M is 75% thicker than the balloon material. We recommend true Mylar Foil, and a thicker film structure. This thin material keeps the balloons lightweight, but is unacceptable as a barrier film. Metallized polyester is the material used on Mylar balloons it is far thinner and shinier than a true foil barrier film. Many consumers are informed enough to know that they require a “Mylar foil” material but they confuse this with metallized polyester, a completely different material with none of the same barrier properties as a true Mylar foil. Other considerations include the type of material used for the inner layer and the type of seal required. A proper film barrier that shields products from light, oxygen and moisture should be completely opaque and multi-layered. Moisture barrier how to#How Do I Select a High Barrier Aluminum Structure Bag?īags Pictured Above: P/N 30VF4C36, with and without vacuum How to Select a High Barrier BagĪ lot of misinformation surrounds “high barrier” materials. Our technical specialists will guide you through the following considerations: For this reason, we recommend a call with our experts before placing your order. To confound matters further, there are many products on the market that look similar but have entirely different barrier properties. These considerations are based on the product itself, as well as the duration conditions of storage. There are many factors to consider when selecting the most appropriate package. However, selecting the appropriate package is not always as straight forward as it seems. When high barrier packaging is paired with an oxygen absorber or desiccant, products enjoy even greater shelf-life and stability. They have a low oxygen transmittal rate, and low moisture vapor transmission rate, and a high tensile strength, or puncture resistance. High barrier bags are used to preserve and protect products.
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