Stretch film, a go-to packaging solution for securing items during shipping and storage, is known for its flexibility, strength, and protective qualities. But like any other packaging material, it has a shelf life. Understanding the lifespan of stretch film is essential for ensuring it maintains peak performance and doesn’t degrade before use. In this guide, we’ll cover what affects the shelf life of stretch film and how you can store it to maximize its longevity.
Key Takeaways:
- The average shelf life of stretch film is 12 to 18 months.
- Proper storage—cool, dry, and away from sunlight—can extend shelf life.
- Temperature and UV light exposure are the main factors that degrade stretch film.
- Older stretch film can become brittle and lose elasticity, reducing effectiveness.
- Using stretch film past its shelf life can lead to compromised load security.
Understanding the Shelf Life of Stretch Film
Like most plastic-based materials, stretch film has a limited shelf life due to gradual chemical breakdown over time. Typically, stretch film has a shelf life of 12 to 18 months from the date of manufacture, though this can vary depending on storage conditions and exposure to environmental factors.
Factors That Affect Stretch Film Shelf Life
1. Temperature
Extreme temperatures are detrimental to stretch film. Heat can cause film degradation, making it lose its elasticity, which is essential for securing loads. On the other hand, exposure to low temperatures over time can make the film brittle. For best results, store stretch film at a temperature range of 60-80°F (15-27°C).
2. UV Exposure
Stretch film is highly sensitive to UV rays from direct sunlight, which accelerate breakdown. Over time, UV exposure can weaken the film’s structure, making it more prone to tears and compromising its ability to stretch. To prolong shelf life, avoid storing stretch film in areas with sunlight exposure.
3. Humidity
While stretch film is relatively resistant to water, high humidity levels can weaken the material and impact its ability to cling to surfaces effectively. A low-humidity, climate-controlled storage area is ideal.
Signs Your Stretch Film May Have Expired
When stretch film is stored beyond its shelf life, it may show visible signs of degradation. Here are a few indications that it might be time to replace the film:
- Brittleness or Cracking: If the film feels brittle or cracks when unrolled, it’s likely expired.
- Loss of Elasticity: The stretch film should be able to stretch without breaking. A reduced stretch indicates that the film may not effectively secure loads.
- Changes in Color: Discoloration or yellowing is often a sign of UV damage or aging.
How to Maximize the Shelf Life of Stretch Film
- Store in a Cool, Dry, and Dark Place
Proper storage is crucial. A climate-controlled environment away from sunlight, with moderate temperature and humidity levels, will help extend the life of your stretch film.
- Use a First-In, First-Out (FIFO) Approach
Organize your storage to ensure that the oldest rolls are used first. This prevents rolls from sitting unused for too long, which can reduce waste and improve efficiency.
- Choose Quality Stretch Film for Extended Use
Some high-performance stretch films are manufactured with additives for UV resistance and excellent durability, offering a longer shelf life. When choosing a film, consider the environmental conditions it will be exposed to and whether you need an enhanced product.
- Why Fresh Stretch Film Matters
Using fresh stretch film ensures that loads are secure, reducing the risk of accidents during transportation or storage. Degraded film, on the other hand, loses its stretchability and strength, which could lead to load shifts and potential damage to products.
Contact Us For Your Stretch Film
Ready to ensure your packaging stays secure and effective? Western Packaging offers high-quality, durable stretch films that withstand the test of time. Contact us today to find the right stretch film solutions to meet your needs and keep your products safe.
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