The environmental impacts of plastic are far-reaching, including pollution of oceans, harm to wildlife, and contributions to landfill waste. Statistics reveal that approximately 10 million tonnes of plastic pollute the sea yearly, endangering aquatic life.
Therefore, businesses and artists are switching from plastic packaging to sustainable solutions. One such solution is glassine paper that’s not only eco-friendly but also durable. Now you must be wondering what is glassine paper? Don’t stress out!
This article is your ultimate guide to what is glassine paper, its benefits, manufacturing, and much more. Let’s dig in!
What is Glassine Paper?
Glassine paper is a glossy and smooth paper made from refined wood pulp. It is resistant to air, water, and grease. Most importantly, it’s recyclable and biodegradable and finds applications in packaging, archival storage, and various artistic projects.
How Glassine Paper is Made?
Typically, glassine paper is an eco-friendly compostable film made from hardwood trees like aspen, gum, birch, and oak. Once these trees grow to the fullest, they are chopped down, and the logs are sent to factories for pulping. Let’s discuss the manufacturing of Glassine paper in detail to understand it better:
The logs are delivered to factories where they are stripped of their barks in a large steel drum. They are then pulped using different chemical and mechanical methods.
This is an important step in which the fibers are separated from lignin. Lignin is a complex organic polymer that’s deposited in the cell walls of plants and provides them structure. The purpose of lignin removal is to ensure it doesn’t react with chemicals during the bleaching stage and you get a high-quality finish.
In the bleaching phase, lignin separation is completed. The pulp is washed using bleaching agents like chlorine dioxide, chlorine gas, sodium hypochlorite, oxygen, and hydrogen peroxide. This removes any remaining residue and makes the paper white and clear. Besides, it makes the glassine paper resistant to any chemical, optical, and structural change.
The paper now goes into the last stage, where it is fed through a series of alternating hard—and soft-surfaced steel rollers. These rollers apply high pressure, friction, and heat to compress the paper fibers, breaking down the capillaries between them. In addition, additives are added to the paper to achieve specific finishes and improve its overall glassy structure.
Benefits of Glassine Paper
Now that you are aware of what is glassine paper and how it’s made, let’s discuss the many benefits it offers you:
Glassine paper has a high density, usually around 40 to 90 GSM. This density is a result of supercalendering, which presses the fibers together, giving the paper top-notch endurance and tensile strength. Therefore, glassine paper easily withstands natural elements and serves you in the long run.
Lignin in pulp gives the paper an acidic character. However, its removal makes glassine pH-neutral and acid-free.
These properties ensure the glassine paper doesn’t turn yellow or become brittle over time. It becomes an excellent choice for archival purposes, so you can wrap fragile items without worrying about chemical changes and degradation.
The biggest advantage of glassine paper is that it’s made of 100% wood pulp and is fully recyclable. It’s an incredible alternative to traditional plastic packaging and helps reduce waste from lands and seas.
You can use it many times, and in the end, it’ll biodegrade without leaving any harmful residue. Businesses can use glassine paper to attract eco-conscious consumers, as 72% of US shoppers now consider a product’s environmental impact before purchasing.
Surprisingly, moisture and grease have no effect on the outlook and structure of glassine paper. This is attributed to the paper’s high density and non-porous surface, which repels water and oil. This makes it popular for packaging food items, baked goods, and greasy products.
Glassine paper’s glossy and clear look is another significant advantage. The smooth glass-like finish is achieved via supercalendering, which gives the paper an aesthetically pleasing look. In addition, the translucency allows for visibility of the internal package contents, making it a top choice in packaging where presentation is important.
However, glassine paper also has some drawbacks that you should consider before using it for different applications. Firstly, it has low ink absorption, so the ink takes a long time to dry during printing. It’s also not ideal for carving and embossing as it becomes too crinkly.
Uses of Glassine Paper
After learning about what is glassine paper and how it can bring you plenty of benefits, let’s have a look at its uses:
If you want to protect your delicate drawings, paintings, and prints from damage, glassine paper is the ideal choice. Glassine paper for art guards your art projects from smudging, abrasion, and environmental damage. The best part? It’s acid-free; your previous artwork will not experience any degradation.
Glassine paper is widely used in the food industry for packaging and storage purposes. Its resistance to moisture and grease makes it ideal for wrapping baked goods, confectionery, chocolates, and other oily or sticky products. In addition, it keeps the food items fresh and clean, complementing the overall visual appeal.
Glassine paper also has applications in bookbinding and book preservation. It serves as a protective barrier between pages to prevent stains. You can also use glassine paper as a dust jacket to preserve your books, magazines, and documents.
FAQs
Glassine paper is water and grease resistant. However, it's not completely waterproof. If you dip it in a glass of water, the moisture will definitely seep through.
In pharmacy, glassine paper is often used as a barrier or wrapping material for medications, pills, and tablets. It protects the integrity of pharmaceutical products.
There are many alternatives to glassine paper. Some top options include vellum, parchment, and wax paper.
Conclusion
In summary, the answer to what is glassine paper is simple. It’s an eco-friendly solution to traditional packaging materials like plastic. Wondering where to get the best eco-friendly packaging solutions for your business needs? LansBox is the ultimate solution! Contact us today to explore our top-notch packaging services and earn the trust of your customers.