{"id":424,"date":"2026-09-15T09:49:28","date_gmt":"2026-09-15T01:49:28","guid":{"rendered":"http:\/\/www.unikserulucu.com\/blog\/?p=424"},"modified":"2026-09-15T09:49:28","modified_gmt":"2026-09-15T01:49:28","slug":"what-is-the-oxygen-transmission-rate-of-the-food-packaging-film-series-4a8e-885da1","status":"publish","type":"post","link":"http:\/\/www.unikserulucu.com\/blog\/2026\/09\/15\/what-is-the-oxygen-transmission-rate-of-the-food-packaging-film-series-4a8e-885da1\/","title":{"rendered":"What is the oxygen transmission rate of the Food Packaging Film Series?"},"content":{"rendered":"

What is the oxygen transmission rate of the Food Packaging Film Series?<\/h3>\n

As a supplier of the Food Packaging Film Series, I’ve witnessed firsthand the critical role that oxygen transmission rate (OTR) plays in the food packaging industry. In this blog, I’ll delve into what OTR is, why it matters, and how it relates to our Food Packaging Film Series. Food Packaging Film Series<\/a><\/p>\n

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Understanding Oxygen Transmission Rate<\/h4>\n

Oxygen transmission rate is a measure of the amount of oxygen gas that passes through a given area of a packaging material in a specific time under defined temperature and humidity conditions. It’s typically expressed in units such as cubic centimeters per square meter per 24 hours (cc\/m\u00b2\/24h).<\/p>\n

The OTR is influenced by several factors, including the type of polymer used in the film, the film’s thickness, temperature, and humidity. Different polymers have different inherent gas barrier properties. For example, polyethylene terephthalate (PET) generally has a relatively high OTR compared to materials like ethylene vinyl alcohol (EVOH), which is known for its excellent oxygen barrier properties.<\/p>\n

The thickness of the film also has a significant impact on OTR. Thicker films usually have lower OTRs because there is a longer path for the oxygen molecules to travel through the material. Temperature and humidity can also affect OTR. As the temperature increases, the kinetic energy of the oxygen molecules rises, allowing them to move more easily through the film, thus increasing the OTR. Similarly, high humidity can sometimes cause certain polymers to swell, which may increase the OTR.<\/p>\n

Why Oxygen Transmission Rate Matters in Food Packaging<\/h4>\n

The OTR of food packaging film is crucial because oxygen can have a detrimental effect on the quality and shelf – life of food products. Oxygen is involved in several chemical and biological reactions that can lead to spoilage, such as oxidation of fats and oils, which can cause rancidity and off – flavors in food. It can also support the growth of aerobic microorganisms, such as mold and some bacteria, which can lead to visible spoilage and potential health risks.<\/p>\n

For different types of food products, the required OTR of the packaging film varies. For example, fresh produce like apples and bananas still need to "breathe" after being harvested. They undergo a process called respiration, where they consume oxygen and produce carbon dioxide. For these types of products, a packaging film with a relatively high OTR is needed to allow the exchange of gases and prevent the build – up of carbon dioxide, which can cause anaerobic respiration and lead to off – flavors and spoilage.<\/p>\n

On the other hand, products that are sensitive to oxidation, such as nuts, coffee, and some processed meats, require packaging films with very low OTRs. These films act as a barrier to prevent oxygen from reaching the product, thus extending its shelf – life and maintaining its quality.<\/p>\n

Oxygen Transmission Rate in Our Food Packaging Film Series<\/h4>\n

Our Food Packaging Film Series is designed to meet the diverse needs of different food products. We offer a range of films with varying OTRs to ensure that each product is properly protected.<\/p>\n

For our films used for fresh produce packaging, we have developed formulations that provide a balanced OTR. These films allow for a controlled exchange of oxygen and carbon dioxide, which helps to maintain the freshness of the produce. Our research and development team has conducted extensive testing to optimize the OTR of these films based on the specific respiration rates of different types of fruits and vegetables.<\/p>\n

When it comes to products that require a high – barrier packaging, such as high – fat content foods or long – shelf – life products, we offer films with extremely low OTRs. These films often incorporate multiple layers, including barrier materials like EVOH or aluminum foil. The multi – layer structure provides an enhanced oxygen barrier, significantly reducing the amount of oxygen that can reach the product.<\/p>\n

We also understand that the OTR requirements may change depending on the storage and transportation conditions of the food products. That’s why we offer films that are designed to perform well under different temperature and humidity ranges. Our quality control team conducts regular testing to ensure that the OTR of our films remains consistent throughout the production process and meets the specified standards.<\/p>\n

Measuring and Controlling Oxygen Transmission Rate<\/h4>\n

To ensure the quality of our Food Packaging Film Series, we use advanced testing methods to measure the OTR of our films. One of the most common methods is the coulometric sensor method. In this method, a film sample is placed between two chambers, one with a known oxygen concentration and the other with a lower oxygen concentration. The oxygen that passes through the film is detected by a coulometric sensor, and the OTR is calculated based on the amount of oxygen detected over a specific period of time.<\/p>\n

We also have strict quality control measures in place to control the OTR of our films. During the production process, we monitor the raw materials, the manufacturing parameters such as extrusion temperature and speed, and the thickness of the film. Any deviations from the specified OTR values are immediately addressed to ensure that the final product meets the customer’s requirements.<\/p>\n

The Future of Oxygen Transmission Rate in Food Packaging<\/h4>\n

As the food industry continues to evolve, the requirements for OTR in food packaging are also changing. Consumers are increasingly demanding fresh, high – quality food products with longer shelf – lives. At the same time, there is a growing emphasis on sustainable packaging solutions.<\/p>\n

In the future, we expect to see more research and development in the area of OTR – optimized packaging films. This may include the development of new polymers with better gas barrier properties, as well as more efficient multi – layer structures. There will also be a focus on reducing the environmental impact of packaging materials while maintaining their OTR performance.<\/p>\n

We are committed to staying at the forefront of these developments. Our R & D team is constantly exploring new technologies and materials to improve the OTR of our Food Packaging Film Series. We also work closely with our customers to understand their specific needs and develop customized packaging solutions.<\/p>\n

Contact Us for Your Food Packaging Needs<\/h4>\n

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If you are in the food industry and are looking for high – quality food packaging films with the right oxygen transmission rate, we would love to hear from you. Our team of experts can provide you with detailed information about our products, help you select the most suitable film for your specific food product, and answer any questions you may have.<\/p>\n

Aluminum-plastic Laminated Film<\/a> Whether you are a small – scale producer or a large – scale food manufacturer, we have the expertise and the product range to meet your packaging requirements. Contact us today to start a discussion about how our Food Packaging Film Series can help you protect your products and extend their shelf – lives.<\/p>\n

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