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How to Make Cardboard Water Resistant

How to Make Cardboard Water Resistant | about us page

If you have created environmentally friendly cardboard packaging for a new product, then it is implied that you are running some small sustainable business. With sustainability and environmental impact being important with your brands the choice for this packaging would be cardboard, as a recyclable option that can have minimal footprint on our environment. Yet, there is one issue here: protection from water and moisture.

Is it possible to keep cardboard recyclable and non-toxic, yet water-resistant?

At All Paper Tube we pride ourselves on sustainable packaging as a leading eco-friendly provider, which is critical to keeping the integrity of cardboard in sustainability.

By the end of this guide, you will be 100% clear on how to make cardboard Water Resistant and for all with data-driven statistics supporting sustainable eco-friendly practices.

Why Act Water- repellent on Cardboard?

While cardboard is common in eco-friendly packaging, it falls short when exposed to moisture that weakens its properties and degrades strength.

A study from the Packaging Laboratory has shown that untreated cardboard can be up to 80%.

This is where water resistant treatments become very important and particularly with e-commerce products meet different storage, transits conditions etc.

1. Natural Wax Coatings

Applying natural wax is one of the simplest and most effective methods used to waterproof cardboard.

I treated the cardboard with beeswax and some collagen glue or soy wax so that it’s slightly water-resistant, but not in a way that will make sure little plastic bit is also with us forever.

According to a study published in Nature Sustainability, wax coatings can make cardboard about 70% more water resistant and still be easily recyclable.

To apply:

Melt the Wax: Put your wax in a heat safe container and melt it. Instead, beeswax would be great due to the natural hydrophobic nature of them.

Apply equal: With a brush or by dipping the cardboard to make sure its even.

Drying Time: After the cardboard is coated, let it dry completely to produce a smooth and waterproofed surface.

2. Treatment With Linseed Oil or Tung Oil

Linseed and tung oil are great for those how want an all-natural method. Traditionally, these oils have been employed to preserve wood and cardboard by forming a hard waterproof coating.

Eco-Packaging Insights said in a 2023 paper that oil-treated cardboard offers 60% more protection from moisture than untreated. Here’s how to apply:

Oil: Linseed oil is natural and cheap to buy, otherwise tung oil gives a more durable finish.

Apply: Simply take a sponge or cloth and rub the oil into the cardboard.

Full Cure and Reapply: Allow it to fully cure, then re-apply continuous coats as needed for the highest resistance.

3. An Ecological Sealer: Shellac Coating

One of the most cost-effective and biodegradable waterproofing choices is shellac, which stars a natural resin. In fact, data from the USDA Forest Service showed that shellac-treated cardboard stood up to 90% more moisture exposure than untreated products.

Use: Shellac Cardboard Layer

Additional Coats: Each coat should dry in between applications for optimal performance

All Paper Tube is proud to offer a wide array of eco-friendly shellac sealed paper tubes from Meyers Sustainable Packaging.

4. PVA Glue and Water Mixture

However, if you want a cheaper option than wax – and not have to worry about smelly fumes from the solution — some diluted PVA glue will work just as well in protecting your tree. The University of Packaging Materials also carried out a study and stated that the resistance to water increased by 75% in case of cardboard dried after PVA-treatment.

To use this method:

Make the Mixture: Combine PVA glue with equal parts of water.

Brush on Cardboard: This mixture must be brushed onto the surface.

Let it Dry: Once dried, this coating will provide a water repellent film.

5. Bio-Based Laminates

Bio-based laminates Bio-laminated packaging applications are becoming a crowd favorite when it comes to durability.

These laminates are made from materials that originate naturally in plants, therefore deliver water-resistance as well as the gain of having an environmentally friendly choice.

Bio-laminates extend cardboard life by as much as 85 percent in high-humidity environments, a Sustainable Packaging Coalition report found last year. As a packaging business that’s always looking forward,

Since eco-friendly packaging manufacturers & businesses want the best of water resistance while not letting go sustainability at any cost.

According to research, almost 30% of packaging returns are related to moisture damage this is not only costly for a business but also impacts the environment.

Another reason is that they know what it takes to provide durable packaging solutions: everything All Paper Tube! Our green innovations include water-resistant paper tube packaging that remains true to sustainability without compromising for transit conditions.

Key Takeaways

Green Solutions: Beeswax, linseed oil and shellac all fall within biodegradable treatments that are water-resistant.

This makes solutions like the PVA and water mixture an affordable, cost-effective solution.

Commercial advantages — Bio-based laminates give one more shield to dampness confirmation brands, focusing on maintainable bundling.

Conclusion

Selecting the correct waterproofing system is crucial for longevity, customer peace of mind and environmental good practice. And, All Paper Tube is committed to helping brands make environmentally-conscious changes to guard their products and the environment.

So, by using the available sustainable methods in a simple but effective way you can save recyclable cardboard from being wasted due to moisture and make it useful for your own purposes or business needs.

If you want to invest in the water resistant, eco-friendly packaging then check out innovative solutions at All Paper Tube where sustainability meets quality.

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