Are Custom Mylar Bags Smell Proof?

If you are wondering whether or not custom Mylar bags are smell proof, the answer is: Yes, they are smell proof! 

High quality Mylar bags are produced using a thick, multi layered structure and are incredibly effective at containing odors. To remain completely smell proof, they must be properly sealed and kept undamaged at all costs.

These bags feature impermeable barrier properties that stop odor and gas molecules from escaping through the bag. They block moisture, air, light, and scent molecules, and maximize products’ freshness and ensure aromas are perfectly contained. These bags are widely employed for food storage, coffee, herbs, dried food storage, and scented products. 

Bags that feature such properties are an outstanding alternative for long term product storage. But the question is: are they really smell proof, or is it just good marketing?

We've compiled this detailed guide to help you understand how exactly Mylar bags are smell proof and what controls their performance. 

How Are Mylar Bags So Effective at Blocking Odor?

Imagine ripping open a pack of coffee and a unique smell hits your nose. It’ll take only a few seconds for the entire room to be filled with that smell. This is where things get serious, because some people might enjoy it while others do not. That’s why many brands choose custom Mylar bags as a smell proof packaging solution.

Custom Mylar bags are more than just plastic wrap; they are multi layer packaging made from a stretchable PET film combined with aluminum foil and coated for maximum protection. They feature a PE sealant layer that blocks volatile compounds. The multi layered design of Mylar produces an outstanding gas and odor barrier. 

Regular plastic bags cannot provide such barrier properties and gradually allow odors to escape. Mylar provides an exceptional barrier that blocks odor molecules. It ensures smells do not leak through the poly film. Mylar itself is a popular type of packaging mainly used to extend a product’s shelf life. It is highly effective at trapping microscopic scent particles.

The ultra thin layer of aluminum or metalized coating functions as an impermeable physical wall that completely locks aromas inside the pouch. Mylar bags can also be heat sealed, which forms a continuous and airtight closure. 

Are Mylar Bags Smell Proof?

A properly sealed and thick Mylar bag is considered smell proof. That’s because:

• It helps trap odors inside the pouch.

• It prevents outside air from getting in. 

To achieve that level of barrier properties, the bags need to be heat sealed to create an airtight barrier. This helps prevent scent transfer far more effectively than you think. There are many other aspects that influence whether Mylar bags are truly smell proof. Material thickness is also important. Thicker Mylar bags provide better scent control than thinner ones. They offer exceptional seal quality. Naturally, not all Mylar bags are smell proof because of their varying constructions. 

Some Mylar bags are built for smell management, while others are engineered with visual or branding considerations. Many people also ask: Are ziplock bags smell proof? They are not really good at containing aromas since polyethylene plastic is porous, which allows odors to escape over time. 

So, custom Mylar bags are smell proof, but only if they are sealed up tight. 

Why Do Businesses Use Smell Proof Mylar Bags for Product Storage?

Custom Mylar bags are considered an ideal solution for product storage. When it comes to storing food products, gummies, bakery items, and edibles, they offer the best solution for odor control. Mylar packaging is mostly used by businesses to stop products from getting contaminated by external factors. Brands can craft bakery Mylar bags or dried food Mylar bags to store products for a long time. 

Think of these high quality, custom pouches as a foolproof vault for your products. They expertly lock in potent, distinct smells and completely eliminate messy leaks during hectic shipping and extended storage. This extra care leads to a much happier, stress-free customer experience. By keeping everything secure, these reliable bags ensure your items never lose their absolute peak freshness, vibrant flavor, or signature scent.

Mylar bags are also super durable and resistant to tearing. They reduce the risk of potential leaks. This is necessary for e-commerce brands that ship their products in the USA. 

Mylar packaging has the power to survive shipping and handling. Modern brands are more inclined to employ smell proof packaging, which helps maintain product quality and brand image. Mylar bags address all the smell related issues while also supporting high quality printing and custom branding. 

What is the Ideal Bag Thickness for Better Smell Proof Properties?

As we already discussed, the bag's thickness matters more than you think. It can make a huge difference in odor control. 

Mylar bag’s thickness is measured in “mils”. One “mil” is equivalent to one thousandth of an inch. The higher the mil count is, the more material is used in the construction of Mylar bags. This makes it harder for odor to pass through. 

Thin bags such as 2 to 3 mils have thinner walls. They are a good option for low odor products. But if you’re packing strong smell products like cannabis, coffee, or spices, the bag should be thicker. 

Check the table below to choose the ideal material thickness based on your specific requirements:

It is necessary to remember that thickness alone does not guarantee that Mylar bags are smell proof. Even a 10 mil bag can leak odor if its seal is damaged. Thickness is one of the first things to begin with. 

How to Improve Smell Proof Properties of Mylar Bags?

Brands can make Mylar bags more smell proof using several features. For maximum odor containment, a few simple steps can improve your bag’s performance. What you can do is:

• Add a second heat seal directly above the zipper to create an extra layer of protection and an effective double barrier system against escaping odors.

• Make sure to store Mylar bags in cool, dry conditions to maintain their structural integrity and provide maximum smell blocking performance over time.

• Include a convenient tear notch just above the zipper to make sure the primary heat seal stays completely intact until opened by the end consumer.

• Always avoid overfilling the packaging with excess product in order to effectively reduce unnecessary physical stress on the side seams and prevent bursting.

• Opt to use custom Mylar bags with rounded corners to minimize physical wear and significantly reduce the chance of accidental pinhole leaks during handling and shipping.

Smell proof Mylar bags are becoming increasingly popular because of the growing demand for shielding products from undesirable odors. They maintain freshness and simplify discreet shipping. They also work as functional and branded retail packaging that helps maximize a product’s shelf appeal. 

Who Needs Smell Proof Custom Mylar Bags?

Mylar bags offer a clean and secure environment for product storage. Thus, they are widely used by many brands for long term storage purposes. The following are the businesses that use Mylar bags for their scented, perishable, and sensitive products:

• Cannabis and CBD brands

• Coffee Brands

• Tea Roasters

• Spices and Herb Vendors

• Snack Brands

• Pharmaceutical and Supplement Companies

Final Thoughts

High quality custom Mylar bags offer an effective smell proof environment for the product. With the right thickness and proper sealing, Mylar bags can promise absolute odor control. Match your bag specifications to your specific product's needs, following a proper sealing procedure. 

Custom Mylar Bags don't trade shelf appeal for odor control. We provide amazing branding opportunities along with functional barrier bags that keep your products safe for a long time, ensuring a satisfying customer experience. With us as your dedicated packaging partner, brands can confidently customize bag sizes, bottom gussets, and die cut formats, all without weakening the barrier layers. 

FAQs

Can I reuse smell proof Mylar bags for product storage?

Some resealable smell proof Mylar bags can be reused if they remain undamaged and clean. Carefully inspect the bag for tears, pinholes, and heavy creases. 

Are custom Mylar bags good for long term product storage?

Yes, Mylar bags offer excellent barrier properties and control aromas. They help brands preserve products’ freshness and flavors which ultimately extend their shelf life. 

How to test if Mylar bags are really smell proof?

The following are the necessary steps to take to test if Mylar bags are smell proof:

• Fill a strongly scented product inside a quality Mylar bag. Don’t overload the bag, and leave a clearance area at the top for heat sealing. 

• Close the bag tightly using a heat sealer. 

• Clean the exterior of the bag. 

• Let the heat sealed bag sit at room temperature for an hour, and then do a close up smell test of the surface and seams. 

Where to store heat sealed Mylar bags?

It is imperative to store hermetically heat-sealed Mylar bags in a cool, dry, and light restricted facility to ensure comprehensive product protection. Stringent storage conditions are paramount to ensure these bags remain impermeably odor proof for a prolonged duration.