Why Mylar Bags Are the "Ace in the Hole" for Food Storage
Introduction: What is Mylar?
Mylar’s official scientific name is biaxially-oriented polyethylene terephthalate (BoPET). Originally developed in the 1950s, it was initially used for insulation, blueprints, and even kites. Along the way, however, it was discovered to be the absolute "ace in the hole" for food storage. If you are looking for a packaging solution that maximizes your product's shelf life, Mylar bags are undoubtedly one of the best options on the market today.
Core Advantages of Mylar Bags
Why do brands worldwide love Mylar packaging? Because it is highly affordable and possesses physical properties that are incredibly hard to beat:
Ultimate Barrier Capabilities: All plastics "breathe" a little (even food-grade storage buckets), but Mylar slashes air transfer to almost zero. It is non-porous and highly gas-impermeable.
Heavy-Duty Protection: Typically, Mylar bags are constructed with inner and outer plastic layers and a middle layer of aluminum. This gives them high tensile strength, puncture resistance, and the ability to block out external light and humidity.
Vacuum Compatibility: These bags are durable and strong enough to hold a partial vacuum, locking in product freshness.
What Foods Can Be Stored in Mylar, and For How Long?
Mylar bags are excellent for storing a wide variety of foods, including: brown rice, whole-wheat flour, chips, jerky, nuts and seeds, dried fruits and veggies, granola, pearl barley, and even certain fresh foods.
When it comes to shelf life, the performance is outstanding:
Average Performance: On average, foods stored in a Mylar bag can easily achieve a shelf life of around 3 years.
Dehydrated Fruits & Veggies: Because they still retain a small amount of moisture, their shelf life is slightly shorter, but it is still measured in years rather than months.
Nuts & Seeds: Due to the natural oils these foods produce, you can expect a shelf life of about 2 years.
Mylar Bag Specifications & Selection Guide
Businesses and individuals can choose from various Mylar bag specifications based on their actual needs:
Capacity: Sizes range from small pouches to massive 5-gallon bags (which can hold about 33 lbs of rice—perfect for extreme prepping or bulk corporate clients).
Thickness: The most popular thicknesses on the market are 3.5mil, 5mil, and 7.5mil. Keep in mind that thicker bags are stiffer, meaning you might fit slightly less food inside, but they offer superior protection against light and humidity.
Conclusion
From grains and granola to natural supplements, Mylar bags continue to push the limits of food preservation. Not only do they offer unparalleled protection for your products, but with custom designs, they can also make your brand stand out on the shelf, making them a true game-changer for businesses looking to upgrade their packaging.
